A291702 Main diagonal of A291701.

1, -1, 1, -4, 13, -36, 100, -281, 797, -2281, 6546, -18778, 53872, -154662, 444263, -1276284, 3665773, -10524939, 30203731, -86624174, 248257298, -710882708, 2033663952, -5811660425, 16588828304, -47291077636, 134630218334, -382697080366, 1086083438999

Offset

0,4

Links

Table of n, a(n) for n=0..28.

Formula

a(n) = [x^n] (1 - x/(1 - x^2/(1 - x^3/(1 - x^4/(1 - x^5/(1 - ...))))))^n, a continued fraction.

Crossrefs

Cf. A291701.

Sequence in context: A271176 A031506 A251701 * A348476 A065297 A067635

Adjacent sequences: A291699 A291700 A291701 * A291703 A291704 A291705

Keyword

sign

Author

Seiichi Manyama, Aug 30 2017

Status

approved