A383647 Decimal expansion of 15/(2*Pi^4).

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

Offset: 0

Author

Stefano Spezia, May 03 2025

Keywords

• nonn
• cons

Examples

			0.07699486691013251391864587450339020606370851390...
		

References

• G. H. Hardy, Ramanujan: twelve lectures on subjects suggested by his life and work, Cambridge, University Press, 1940, p. 64.

Links

• Jakub Buczak, Table of n, a(n) for n = 0..10000
• Index entries for transcendental numbers.

Crossrefs

Cf. A030059, A082020, A088245, A088246, A092425, A151927.

Programs

Mathematica

Join[{0},RealDigits[15/(2Pi^4),10,100][[1]]]

Formula

Equals Sum_{n > 0} 1/A030059(n)^4.

Equals 10/A151927. - Hugo Pfoertner, May 03 2025