id:A081533 - OEIS Search Results

Search: id:A081533

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Sum of terms in row n of A081532.

+0
2

1, 3, 7, 12, 31, 28, 127, 60, 91, 124, 2047, 168, 8191, 508, 403, 360, 131071, 546, 524287, 744, 1651, 8188, 8388607, 1170, 3751, 32764, 2821, 3048, 536870911, 2418, 2147483647, 2880, 26611, 524284, 15367, 4368, 137438953471, 2097148, 106483 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = sigma(A005179(n)).`
	CROSSREFS	`Cf. A005179, A081532.` `Sequence in context: A007626 A047068 A167490 this_sequence A096856 A108154 A010260` `Adjacent sequences: A081530 A081531 A081532 this_sequence A081534 A081535 A081536`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 28 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jun 07 2004`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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