A177432 G.f.: A(x) = exp(Sum_{n>=1} A177430(n)*x^n/n) where A177430 is the least monotonically increasing logarithmic derivative consisting of only squares.

1, 1, 5, 10, 24, 51, 122, 244, 529, 1090, 2218, 4442, 8865, 17310, 33586, 64659, 123090, 232684, 436572, 813027, 1503450, 2764227, 5049339, 9172517, 16572007, 29787077, 53273817, 94839190, 168068041, 296556131, 521108332, 912041905

Offset

0,3

Links

Table of n, a(n) for n=0..31.

Example

G.f.: A(x) = 1 + x + 5*x^2 + 10*x^3 + 24*x^4 + 51*x^5 + 122*x^6 +...
log(A(x)) = x + 9*x^2/2 + 16*x^3/3 + 25*x^4/4 + 36*x^5/5 + 144*x^6/6 + 169*x^7/7 +...+ A177430(n)*x^n/n +...

Crossrefs

Cf. A177430, A177431.

Sequence in context: A358259 A037240 A182095 * A269740 A166635 A289320

Adjacent sequences: A177429 A177430 A177431 * A177433 A177434 A177435

Keyword

nonn

Author

Paul D. Hanna, Sep 06 2010

Status

approved