id:A065229 - OEIS Search Results

Search: id:A065229

Displaying 1-1 of 1 results found.

page 1

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 pentagonal numbers. The first elements of the rows form a(n).

+0
3

1, 1, 3, 1, 5, 10, 4, 11, 19, 6, 16, 27, 4, 17, 31, 46, 11, 28, 46, 65, 15, 36, 58, 81, 13, 38, 64, 91, 2, 31, 61, 92, 124, 12, 46, 81, 117, 154, 16, 55, 95, 136, 178, 11, 55, 100, 146, 193, 241, 43, 93, 144, 196, 249, 16, 71, 127, 184, 242, 301, 31, 92, 154, 217, 281, 346 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`Cf. A064766, A064865, A065221-A065228, A065230-A065223.` `Sequence in context: A146255 A122366 A103327 this_sequence A093905 A063853 A105064` `Adjacent sequences: A065226 A065227 A065228 this_sequence A065230 A065231 A065232`
	KEYWORD	`easy,nonn`
	AUTHOR	`Floor van Lamoen (fvlamoen(AT)hotmail.com), Oct 22 2001`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research