id:A085930 - OEIS Search Results

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Triangle read by rows in which row n contains n smallest (> 0) numbers which when incremented by n yield a triangular number.

+0
2

2, 1, 4, 3, 7, 12, 2, 6, 11, 17, 1, 5, 10, 16, 23, 4, 9, 15, 22, 30, 39, 3, 8, 14, 21, 29, 38, 48, 2, 7, 13, 20, 28, 37, 47, 58, 1, 6, 12, 19, 27, 36, 46, 57, 69, 5, 11, 18, 26, 35, 45, 56, 68, 81, 95, 4, 10, 17, 25, 34, 44, 55, 67, 80, 94, 109, 3, 9, 16, 24, 33, 43, 54, 66, 79, 93, 108 (list; table; graph; listen)

	OFFSET	`0,1`
	FORMULA	`T(n, k) = A000217(k+A003056(n))-n. - David Wasserman (wasserma(AT)spawar.navy.mil), Feb 23 2004`
	EXAMPLE	`2` `1 4` `3 7 12` `2 6 11 17` `1 5 10 16 23` `4 9 15 22 30 39` `3 8 14 21 29 38 48` `...`
	CROSSREFS	`Cf. A000217.` `Sequence in context: A109250 A138236 A058354 this_sequence A087207 A074987 A128280` `Adjacent sequences: A085927 A085928 A085929 this_sequence A085931 A085932 A085933`
	KEYWORD	`easy,nonn,tabl`
	AUTHOR	`Amarnath Murthy and Jason Earls (amarnath_murthy(AT)yahoo.com), Jul 14 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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