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A081535 Sum of row n of triangle in A081536. +0
4
1, 0, 6, 12, 15, 24, 28, 40, 45, 56, 66, 84, 91, 105, 120, 140, 153, 176, 190, 210, 231, 255, 276, 304, 325, 357, 378, 408, 435, 468, 496, 528, 561, 595, 630, 667, 703, 741, 780, 825, 861, 910, 946, 990, 1035, 1085, 1128, 1178, 1225, 1275, 1326, 1380, 1431 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Cf. A081536, A081537, A081538.

Sequence in context: A001283 A106430 A106420 this_sequence A013637 A092455 A118422

Adjacent sequences: A081532 A081533 A081534 this_sequence A081536 A081537 A081538

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 28 2003

EXTENSIONS

Corrected and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Jun 08 2004

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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