A192341 Coefficient of x in the reduction of n-th polynomial at A158985 by x^2->x+1.

1, 3, 27, 1755, 6909435, 106751109312315, 25481781981232427172041948475, 1451926371364357751230060437820316313546007023604937430075

Offset

1,2

Comments

For an introduction to reductions of polynomials by substitutions such as x^2->x+1, see A192232.

Links

Table of n, a(n) for n=1..8.

Example

(See A192340.)

Mathematica

(See A192340.)

Crossrefs

Cf. A192232, A192340.

Sequence in context: A012012 A229866 A305843 * A191511 A102580 A051576

Adjacent sequences: A192338 A192339 A192340 * A192342 A192343 A192344

Keyword

nonn

Author

Clark Kimberling, Jun 28 2011

Status

approved