A385453 - OEIS

A385453

Decimal expansion of 6*Sum_{k>=0} (-1)^k/(k! (k + 3)! 2^k).

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..104.

Michael I. Shamos, A catalog of the real numbers, (2007), p. 614.

Index entries for transcendental numbers.

FORMULA

Equals Hypergeometric0F1(4, -1/2).

Equals 12 * sqrt(2) * BesselJ(3, sqrt(2)).

EXAMPLE

0.881079450691092189890537005867857949397...