id:A139243 - OEIS Search Results

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Second differences of Mersenne numbers A001348, divided by 4.

+0
5

5, 18, 456, 1056, 29184, 67584, 1867776, 130154496 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = 139241(n)/4 = A139242(n)/2.`
	CROSSREFS	`Cf. A001348, A139237, A139239, A139240, A139241, A139242.` `Adjacent sequences: A139240 A139241 A139242 this_sequence A139244 A139245 A139246` `Sequence in context: A009365 A140296 A091059 this_sequence A139237 A089082 A106229`
	KEYWORD	`easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Apr 19 2008`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.