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Search: id:A114883
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| A114883 |
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Obtained from A114882 by deleting row 1 and dividing by 2. |
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+0
2
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| 1, 2, 4, 3, 12, 7, 5, 24, 17, 10, 6, 60, 38, 27, 13, 8, 84, 71, 45, 32, 16, 9, 144, 110, 93, 59, 42, 19, 11, 180, 161, 123, 104, 66, 47, 22, 14, 264, 218, 195, 149, 126, 80, 57, 28
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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A permutation of the natural numbers. Row 1 consists of those congruent to 1 mod 3. (One can then delete row 1 of A114883, leaving only numbers congruent to 0 or 2 mod 3, and then replace each by its rank, thus obtaining another permutation of the natural numbers.)
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FORMULA
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(A083140 - 1)/2 with row 1 deleted.
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EXAMPLE
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Start with the northwest corner of A114881:
1 3 5 7 9
2 8 14 20 26
4 24 34 54 64
6 48 76 90 118
Delete row 1, leaving all the even
positive integers; divide them by 2
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CROSSREFS
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Cf. A083140, A114881.
Sequence in context: A096780 A143986 A059662 this_sequence A125091 A091861 A079308
Adjacent sequences: A114880 A114881 A114882 this_sequence A114884 A114885 A114886
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KEYWORD
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nonn,tabl
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu), Jan 03 2006
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