A137853 - OEIS

This site is supported by donations to The OEIS Foundation.

A137853

Triangle read by rows: row sums give natural numbers A000027.

1, 0, 2, 1, 2, 0, 1, 0, 3, 0, 0, 2, 3, 0, 0, 1, 2, 3, 0, 0, 0, 1, 2, 0, 4, 0, 0, 0, 1, 0, 3, 4, 0, 0, 0, 0, 0, 2, 3, 4, 0, 0, 0, 0, 0, 1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 1, 2, 3, 0, 5, 0, 0, 0, 0, 0, 0, 1, 2, 0, 4, 5, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 4, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 4, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	COMMENTS	`Each row contains a series of consecutive numbers. There is a diagonal pattern of zeros in the left part of the table.`
	EXAMPLE	`1 = 1` `0+2 = 2` `1+2+0 = 3` `1+0+3+0 = 4` `0+2+3+0+0 = 5` `1+2+3+0+0+0 = 6` `1+2+0+4+0+0+0 = 7` `1+0+3+4+0+0+0+0 = 8` `0+2+3+4+0+0+0+0+0 = 9`
	CROSSREFS	`Cf. A000027.` `Sequence in context: A125925 A036578 A077402 * A094114 A104607 A120728` `Adjacent sequences: A137850 A137851 A137852 * A137854 A137855 A137856`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Mats Granvik (mgranvik(AT)abo.fi), Feb 14 2008`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 23:53 EST 2012. Contains 205860 sequences.