id:A115652 - OEIS Search Results

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Brilliant numbers (A078972) which are the sum of distinct double factorials (A006882).

+0
4

4, 6, 9, 10, 14, 15, 21, 25, 49, 121, 169, 403, 407, 437, 451, 493, 517, 551, 949, 961, 1003, 1007, 1067, 1073, 1079, 1121, 1333, 1343, 1349, 1357, 1387, 1403, 1457, 1501, 3869, 3901, 3953, 4331, 4891, 5183, 5293, 10403, 10807, 11413, 11449 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Double factorials 0!! and 1!! are not considered distinct. Note that double factorial (n!!) is different from (n!)!.`
	EXAMPLE	`949 = 13*73 = 9!! + 3!! + 1!!.`
	CROSSREFS	`Cf. A006882, A078972, A115651, A115653, A115654.` `Adjacent sequences: A115649 A115650 A115651 this_sequence A115653 A115654 A115655` `Sequence in context: A115654 A036326 A078972 this_sequence A084759 A054395 A132435`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 28 2006`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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