id:A117137 - OEIS Search Results

Search: id:A117137

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Same as triangle in A117136, but omit final 1 from each row.

+0
2

1, 1, 2, 4, 1, 3, 6, 2, 7, 1, 4, 8, 3, 9, 2, 10, 1, 5, 10, 4, 11, 3, 12, 2, 13, 1, 6, 12, 5, 13, 4, 14, 3, 15, 2, 16, 1, 7, 14, 6, 15, 5, 16, 4, 17, 3, 18, 2, 19, 1 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Row n has length 2n+1.`
	EXAMPLE	`Triangle begins:` `Row 0: 1` `Row 1: 1 2 4` `Row 2: 1 3 6 2 7` `Row 3: 1 4 8 3 9 2 10` `Row 4: 1 5 10 4 11 3 12 2 13` `...`
	CROSSREFS	`Cf. A117136, A046901, A008344.` `The segments of A046901 appear as rows 2, 7, 22, 67, ... (A060816) of this array.` `Sequence in context: A053451 A141843 A130266 this_sequence A002344 A011233 A163360` `Adjacent sequences: A117134 A117135 A117136 this_sequence A117138 A117139 A117140`
	KEYWORD	`nonn,tabf`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 21 2006`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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