id:A153449 - OEIS Search Results

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11 times pentagonal numbers: 11n(3n-1)/2.

+0
3

0, 11, 55, 132, 242, 385, 561, 770, 1012, 1287, 1595, 1936, 2310, 2717, 3157, 3630, 4136, 4675, 5247, 5852, 6490, 7161, 7865, 8602, 9372, 10175, 11011, 11880, 12782, 13717, 14685, 15686, 16720, 17787, 18887, 20020, 21186, 22385 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = (33n^2 - 11n)/2 = A000326(n)*11.`
	CROSSREFS	`Cf. A000326.` `Sequence in context: A061983 A079884 A050900 this_sequence A047649 A010927 A009550` `Adjacent sequences: A153446 A153447 A153448 this_sequence A153450 A153451 A153452`
	KEYWORD	`easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Dec 26 2008`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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