id:A065222 - 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 hexagonal numbers. The final elements of the rows form a(n).

+0
3

1, 2, 5, 3, 8, 14, 6, 14, 23, 5, 16, 28, 41, 10, 25, 41, 58, 10, 29, 49, 70, 1, 24, 48, 73, 99, 6, 34, 63, 93, 124, 3, 36, 70, 105, 141, 178, 26, 65, 105, 146, 188, 231, 44, 89, 135, 182, 230, 3, 53, 104, 156, 209, 263, 318, 49, 106, 164, 223, 283, 344, 28, 91, 155, 220 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`The array begins` `....1` `...1.2` `..3.4.5` `.6.1.2.3` `4.5.6.7.8`
	CROSSREFS	`Cf. A064766, A064865, A065221, A065223-A065234.` `Sequence in context: A136189 A081146 A082652 this_sequence A134880 A117534 A112990` `Adjacent sequences: A065219 A065220 A065221 this_sequence A065223 A065224 A065225`
	KEYWORD	`easy,nonn`
	AUTHOR	`Floor van Lamoen (fvlamoen(AT)hotmail.com), Oct 22 2001`

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Last modified December 3 16:57 EST 2008. Contains 151279 sequences.

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