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A159034 Inverse Euler transform of A155200. 1
2, 7, 170, 16380, 6710886, 11453246035, 80421421917330, 2305843009213685760, 268650182136584261045760, 126765060022822940149666965093, 241677817415439249618874010960062650 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n) = (1/n)*Sum_{d|n} 2^(d^2)*moebius(n/d).

CROSSREFS

Sequence in context: A174366 A177798 A077746 * A120381 A173240 A042359

Adjacent sequences:  A159031 A159032 A159033 * A159035 A159036 A159037

KEYWORD

easy,nonn

AUTHOR

Paul Hanna, Vladeta Jovovic (vladeta(AT)eunet.yu), Apr 02 2009

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.