id:A082660 - OEIS Search Results

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Number of ways n can be expressed as the sum of a square and a triangular number.

+0
1

1, 1, 1, 1, 1, 1, 2, 0, 0, 3, 1, 1, 0, 1, 2, 1, 1, 0, 3, 0, 1, 2, 0, 1, 1, 2, 0, 2, 1, 1, 2, 1, 0, 0, 1, 1, 4, 0, 1, 2, 0, 1, 0, 1, 2, 3, 0, 0, 1, 1, 1, 2, 1, 1, 2, 1, 1, 0, 2, 0, 2, 0, 0, 3, 1, 1, 2, 0, 0, 4, 1, 1, 0, 1, 1, 0, 1, 1, 2, 1, 1, 3, 0, 1, 2, 0, 2, 0, 0, 0, 4, 2, 0, 2, 1, 1, 0, 0, 0, 2, 1, 2, 2, 1, 1 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`a(631)=8 because:` `1. 631=6+625` `2. 631=55+576` `3. 631=190+441` `4. 631=231+400` `5. 631=406+225` `6. 631=435+196` `7. 631=595+36` `8. 631=630+1`
	CROSSREFS	`Adjacent sequences: A082657 A082658 A082659 this_sequence A082661 A082662 A082663` `Sequence in context: A143517 A086834 A029301 this_sequence A134673 A131636 A077888`
	KEYWORD	`nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), May 17 2003`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

AT&T Labs Research