id:A065224 - OEIS Search Results

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Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the octagonal numbers. The final elements of the rows form a(n).

+0
3

1, 2, 5, 1, 6, 12, 19, 6, 15, 25, 36, 8, 21, 35, 50, 1, 18, 36, 55, 75, 96, 22, 45, 69, 94, 120, 14, 42, 71, 101, 132, 164, 21, 55, 90, 126, 163, 201, 15, 55, 96, 138, 181, 225, 270, 36, 83, 131, 180, 230, 281, 333, 45, 99, 154, 210, 267, 325, 384, 36, 97, 159, 222 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A064766, A064865, A065221-A065223, A065225-A065234.` `Sequence in context: A093952 A079614 A084245 this_sequence A165278 A106619 A060789` `Adjacent sequences: A065221 A065222 A065223 this_sequence A065225 A065226 A065227`
	KEYWORD	`easy,nonn`
	AUTHOR	`Floor van Lamoen (fvlamoen(AT)hotmail.com), Oct 22 2001`

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

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