A371855 Decimal expansion of Integral_{x=-oo..oo} exp(-x^4) dx.

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

Offset: 1

Author

Ilya Gutkovskiy, Apr 09 2024

Keywords

• nonn
• cons

Examples

			1.8128049541109541559653425779338360014975838...
		

Links

• Index to sequences related to the Gamma function
• Index entries for transcendental numbers

Crossrefs

Cf. A002161, A068466, A068467.

Programs

Mathematica

RealDigits[2 Gamma[5/4], 10, 104][[1]]

Formula

Equals 2 * Gamma(5/4).

Equals 2 * A068467.

Equals A068466 / 2.