id:A117985 - OEIS Search Results

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Pentagonal numbers with only odd digits.

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1

1, 5, 35, 51, 117, 715, 1335, 1717, 3151, 3577, 5551, 5735, 7315, 7957, 15555, 55777, 71177, 73151, 99717, 135751, 171197, 331115, 335357, 371757, 377755, 711737, 755795, 935755, 1111551, 1517551, 1553977, 1911397, 1993537, 3131315, 3311551 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A000326.` `Sequence in context: A087675 A128044 A014632 this_sequence A115707 A117793 A145920` `Adjacent sequences: A117982 A117983 A117984 this_sequence A117986 A117987 A117988`
	KEYWORD	`base,nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), May 03 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research