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Search: id:A077558
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| A077558 |
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Triangle in which the n-th row contains n numbers beginning with n that have the same prime signature as n. |
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+0
3
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| 1, 2, 3, 3, 5, 7, 4, 9, 25, 49, 5, 7, 11, 13, 17, 6, 10, 14, 15, 21, 22, 7, 11, 13, 17, 19, 23, 29, 8, 27, 125, 343, 1331, 2197, 4913, 6859, 9, 25, 49, 121, 169, 289, 361, 529, 841, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 12, 18, 20
(list; table; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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1; 2,3; 3,5,7; 4,9,25,49; 5,7,11,13,17; 6,10,14,15,21,22; ...
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CROSSREFS
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Cf. A077559.
Sequence in context: A092557 A144680 A081493 this_sequence A122444 A066072 A084127
Adjacent sequences: A077555 A077556 A077557 this_sequence A077559 A077560 A077561
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KEYWORD
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nonn,tabl
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 10 2002
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EXTENSIONS
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Corrected by Al Arnold, Jul 04, 2003
More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 17 2003
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