id:A115679 - OEIS Search Results

Search: id:A115679

Displaying 1-1 of 1 results found.

page 1

Brilliant numbers (A078972) whose digit reversal is a pentagonal number (A000326).

+0
2

10, 15, 21, 517, 529, 671, 1513, 6241, 15251, 23129, 27161, 53297, 59701, 79091, 104977, 299911, 559411, 575051, 597557, 1560101, 2178727, 2273641, 2390393, 2966429, 5354893, 5429329, 5435761, 5613197, 5664721, 5988449, 6218521 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`1513=17*89 is brilliant and 3151 is the 46th pentagonal number.`
	CROSSREFS	`Cf. A000326, A078972, A115680.` `Sequence in context: A048045 A115682 A075523 this_sequence A109373 A120138 A050200` `Adjacent sequences: A115676 A115677 A115678 this_sequence A115680 A115681 A115682`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research