id:A081989 - OEIS Search Results

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A081989

Product of digits + 1 is a square.

+0
2

3, 8, 13, 18, 24, 31, 35, 38, 42, 46, 53, 57, 64, 68, 75, 79, 81, 83, 86, 97, 113, 118, 124, 131, 135, 138, 142, 146, 153, 157, 164, 168, 175, 179, 181, 183, 186, 197, 214, 222, 226, 234, 238, 241, 243, 246, 258, 262, 264, 283, 285 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Sequence is infinite.`
	EXAMPLE	`135 belongs to this sequence as 135 + 1 = 16 is a square.`
	CROSSREFS	`Cf. A081990.` `Sequence in context: A016885 A105502 A105702 this_sequence A120883 A094110 A084535` `Adjacent sequences: A081986 A081987 A081988 this_sequence A081990 A081991 A081992`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 04 2003`
	EXTENSIONS	`Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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