id:A048914 - OEIS Search Results

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Indices of pentagonal numbers which are also 9-gonal.

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1, 21, 10981, 252081, 132846121, 3049673901, 1607172358861, 36894954600201, 19443571064652241, 446355157703555781, 235228321132990450741, 5400004661002663236321, 2845792209623347408410361 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Cf. A048913, A048915.` `Sequence in context: A135823 A013726 A159358 this_sequence A046183 A167063 A115485` `Adjacent sequences: A048911 A048912 A048913 this_sequence A048915 A048916 A048917`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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