id:A028993 - OEIS Search Results

Search: id:A028993

Displaying 1-1 of 1 results found.

page 1

Odd 10-gonal (or decagonal) numbers.

+0
1

1, 27, 85, 175, 297, 451, 637, 855, 1105, 1387, 1701, 2047, 2425, 2835, 3277, 3751, 4257, 4795, 5365, 5967, 6601, 7267, 7965, 8695, 9457, 10251, 11077, 11935, 12825, 13747, 14701, 15687, 16705, 17755, 18837, 19951, 21097, 22275 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`Eric Weisstein's World of Mathematics, Source`
	FORMULA	`(2n+1)(8n+1) [ N. J. A. Sloane (njas(AT)research.att.com) ].`
	CROSSREFS	`Sequence in context: A043962 A035074 A036925 this_sequence A007266 A098320 A034990` `Adjacent sequences: A028990 A028991 A028992 this_sequence A028994 A028995 A028996`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com)`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research