A397738 Decimal expansion of the Struve H-function of order 0 at 1.

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

Offset

0,1

Links

Table of n, a(n) for n=0..99.

M. Abramowitz and I. A. Stegun, Handbook of Mathematical Functions, Chapter 12.

Michael I. Shamos, A catalog of the real numbers, (2007). See p. 484.

Eric Weisstein's World of Mathematics, Struve Function.

Formula

Equals (2/Pi)*Sum_{k>=0} (-1)^k/((2*k+1)!!)^2.

Equals A060294*A395062.

Equals A333566/Pi. - Hugo Pfoertner, Jul 08 2026

Example

0.568656627048287950986422886322353274302677827...

Maple

evalf[120](StruveH(0, 1));  # Alois P. Heinz, Jul 08 2026

Mathematica

RealDigits[StruveH[0, 1], 10, 100][[1]]

Crossrefs

Cf. A001147, A001818, A060294, A197037, A333566, A395062.

Sequence in context: A094931 A239354 A395092 * A011498 A330863 A111514

Adjacent sequences: A397733 A397735 A397737 * A397741 A397743 A397744

Keyword

nonn,cons,easy,new

Author

Stefano Spezia, Jul 08 2026

Status

approved