id:A096856 - OEIS Search Results

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a(n)=A062402[1+2^n].

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3, 7, 12, 31, 42, 124, 224, 511, 847, 1953, 2688, 12264, 18816, 29127, 72540, 131071, 195048, 558523, 1077440, 3164112, 4552020, 10890040, 10342080, 54525848, 73260781, 155671040, 318848400, 1080311232, 964580240, 3070642080 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Table[DivisorSigma[1, EulerPhi[1+2^w]], {w, 1, 30}]`
	CROSSREFS	`Cf. A062401, A062402, A053287, A096853-A096855.` `Sequence in context: A047068 A167490 A081533 this_sequence A108154 A010260 A128156` `Adjacent sequences: A096853 A096854 A096855 this_sequence A096857 A096858 A096859`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 19 2004`

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

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