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A050388
Exponential reversion of Liouville's lambda function A008836.
2
1, 1, 4, 24, 206, 2260, 30332, 480902, 8797200, 182371078, 4225266662, 108194123116, 3034250312354, 92491819230694, 3044898092216786, 107664237385304338, 4069395031874875828, 163733361626947740668
OFFSET
1,3
FORMULA
From Vaclav Kotesovec, Nov 11 2017: (Start)
a(n) ~ c * d^n * n^(n-1), where
d = 0.8970251053152248716710454143898502547333142678...
c = 0.5166239012540605776842881782718271800954906... (End)
MATHEMATICA
length = 20; Range[length]! InverseSeries[Sum[LiouvilleLambda[n] x^n/n!, {n, 1, length}] + O[x]^(length+1)][[3]] (* Vladimir Reshetnikov, Nov 07 2015 *)
CROSSREFS
Cf. A050387.
Sequence in context: A342168 A240429 A240297 * A241980 A368267 A297218
KEYWORD
nonn
AUTHOR
Christian G. Bower, Nov 15 1999
STATUS
approved