id:A100878 - OEIS Search Results

Search: id:A100878

Displaying 1-1 of 1 results found.

page 1

Smallest number of pentagonal numbers which sum to n.

+0
1

0, 1, 2, 3, 4, 1, 2, 3, 4, 5, 2, 3, 1, 2, 3, 3, 4, 2, 3, 4, 4, 5, 1, 2, 2, 3, 4, 2, 3, 3, 4, 5, 3, 4, 2, 1, 2, 3, 4, 3, 2, 3, 4, 5, 2, 3, 3, 2, 3, 3, 4, 1, 2, 3, 4, 5, 2, 2, 3, 3, 4, 3, 3, 2, 3, 4, 3, 4, 3, 3, 1, 2, 3, 2, 3, 2, 3, 4, 3, 3, 3, 4, 2, 3, 4, 3, 2, 3, 4, 5, 4, 3, 1, 2, 3, 3, 4, 2, 3, 4, 4, 4, 2, 3, 2 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`a(5)=1 since 5=5, a(6)=2 since 6=1+5, a(7)=3 since 7=1+1+5, a(10)=2 since 10=5+5 with 1 and 5 pentagonal numbers`
	CROSSREFS	`Cf. A002828, A061336.` `Adjacent sequences: A100875 A100876 A100877 this_sequence A100879 A100880 A100881` `Sequence in context: A011542 A053344 A092196 this_sequence A053824 A033925 A064866`
	KEYWORD	`nonn`
	AUTHOR	`Franz Vrabec ( (franz.vrabec(AT)planetuniqa.at), Jan 09 2005`
	EXTENSIONS	`More terms from David Wasserman (dwasserm(AT)earthlink.net), Mar 04 2008`

page 1

Search completed in 0.002 seconds

Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

AT&T Labs Research