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Search: id:A112060
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| A112060 |
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Square array A(col>=1, row>=1) by antidiagonals A(1,1), A(2,1), A(1,2), A(3,1), A(2,2), ..., where A(x,y) contains y:th natural number i for which A112049(i)=x, and 0 if no such i exists. |
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16
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| 1, 2, 3, 5, 4, 11, 6, 7, 12, 24, 9, 8, 23, 35, 60, 10, 15, 36, 59, 155, 84, 13, 16, 47, 95, 275, 239, 144, 14, 19, 48, 119, 335, 575, 779, 180, 17, 20, 71, 120, 359, 659, 1499, 2855, 264, 18, 27, 72, 179, 419, 839, 1535, 4199, 5279, 420, 21, 28, 83, 204, 504
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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This is a permutation of natural numbers provided that the sequence A112046 contains only prime values and every prime occurs infinitely many times there.
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LINKS
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Index entries for sequences that are permutations of the natural numbers
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EXAMPLE
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The top left corner of the array:
1,2,5,6,9,10,...
3,4,7,8,15,16,...
11,12,23,36,47,...
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CROSSREFS
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A112070(x, y) = 2*A(X, Y)+1. Transpose: A112061. Column 1: A112051. Row 1: A042963, Row 2: A112062, Row 3: A112063, Row 4: A112064, Row 5: A112065, Row 6: A112066, Row 7: A112067, Row 8: A112068, Row 9: A112069.
Adjacent sequences: A112057 A112058 A112059 this_sequence A112061 A112062 A112063
Sequence in context: A075158 A066417 A079521 this_sequence A084933 A138153 A023395
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KEYWORD
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nonn,tabl
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AUTHOR
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Antti Karttunen (His-Firstname.His-Surname(AT)iki.fi), Aug 27 2005
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