id:A115711 - OEIS Search Results

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Squares whose digit reversal is a semiprime (A001358).

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4, 9, 49, 64, 121, 169, 289, 400, 625, 900, 961, 1156, 1225, 1849, 2401, 3136, 3364, 3481, 3721, 4900, 5041, 5329, 6400, 6889, 7396, 9604, 10201, 10816, 11449, 11881, 12100, 12544, 12769, 13225, 13456, 13924, 15376, 15625, 16129, 16384, 16900 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`64=8^2 and 46=2*23 is semiprime.`
	CROSSREFS	`Cf. A001358, A115710.` `Sequence in context: A103933 A013495 A115687 this_sequence A029791 A053961 A055812` `Adjacent sequences: A115708 A115709 A115710 this_sequence A115712 A115713 A115714`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006`

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

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