id:A155753 - OEIS Search Results

Search: id:A155753

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a(n)=n(n-1)+a(n-1), with a(1)=3

+0
2

3, 5, 11, 23, 43, 73, 115, 171, 243, 333, 443, 575, 731, 913, 1123, 1363, 1635, 1941, 2283, 2663, 3083, 3545, 4051, 4603, 5203, 5853, 6555, 7311, 8123, 8993, 9923, 10915, 11971, 13093, 14283, 15543, 16875, 18281, 19763, 21323, 22963 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=n(n-1)+a(n-1), with a(1)=3`
	EXAMPLE	`for n=2, a(2)=21+3=5; n=3, a(3)=32+5=11; n=4, a(4)=4*3+11=23`
	CROSSREFS	`Sequence in context: A056874 A109927 A146276 this_sequence A133914 A023223 A106086` `Adjacent sequences: A155750 A155751 A155752 this_sequence A155754 A155755 A155756`
	KEYWORD	`nonn`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 26 2009`

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

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