A256831 Decimal expansion of Pell factorial constant.

1, 1, 4, 1, 9, 8, 2, 5, 6, 9, 6, 6, 7, 7, 9, 1, 2, 0, 6, 0, 2, 8, 0, 4, 3, 3, 3, 8, 3, 6, 7, 8, 6, 0, 1, 5, 0, 8, 6, 4, 7, 3, 0, 4, 8, 2, 4, 0, 8, 5, 4, 0, 7, 9, 1, 5, 5, 6, 2, 5, 4, 3, 5, 2, 4, 4, 9, 8, 4, 3, 7, 8, 5, 4, 8, 0, 6, 2, 0, 8, 6, 0, 7, 8, 2, 5, 0, 6, 3, 7, 0, 6, 0, 9, 2, 5, 3, 3, 4, 7, 8, 1, 6, 3, 6

Offset: 1

Author

Vaclav Kotesovec, Apr 10 2015

Keywords

• nonn
• cons

Examples

			1.141982569667791206028043338367860150864730482408540791556...
		

Crossrefs

Cf. A000129, A099929, A256832.

Cf. A062073, A218490, A253924.

Programs

Mathematica

RealDigits[N[QPochhammer[2*Sqrt[2]-3], 105]][[1]]

Formula

Equals limit n->infinity A256832(n) / ((1+sqrt(2))^(n*(n+1)/2) / 2^(3*n/2)).