id:A124458 - OEIS Search Results

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Triangular array resulting from summing three repeated Pascal sequences; (related to the generalized pentagonal sequence (A001318) and the classical modular tessellation (cf. A054886).

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1, 2, 1, 3, 2, 1, 3, 4, 2, 1, 3, 5, 5, 2, 1, 3, 7, 7, 6, 2, 1, 3, 8, 12, 9, 7, 2, 1, 3, 10, 15, 18, 11, 8, 2, 1, 3, 11, 22, 24, 25, 13, 9, 2, 1, 3, 13, 26, 40, 35, 33, 15, 10, 2, 1 (list; table; graph; listen)

	OFFSET	`1,2`
	COMMENT	`The third diagonal is the generalized pentagonal sequence A001318`
	EXAMPLE	`Consider` `1.......1.......6.......6.......21......21....` `........1.......1.......6.......6.......21....` `................1.......1.......6.......6.....` `which sums to` `1.....2....8.....13....33....48....,` `a diagonal of A124458`
	CROSSREFS	`Cf. A000012 A004526 A001651 A008805 A001318 A58187 A028724 A093039 A054886 (row sum).` `Sequence in context: A113787 A115624 A076291 this_sequence A002973 A071476 A071499` `Adjacent sequences: A124455 A124456 A124457 this_sequence A124459 A124460 A124461`
	KEYWORD	`easy,nonn,tabl`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Nov 04 2006`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

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