A378482 Decimal expansion of 1/(8*log(2)*A005597), where A005597 is the twin prime constant C_2.

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

Offset

0,1

References

Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 2.5.1, p. 111.

Links

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

Example

0.27317072236263839747106601431655151479129736936570...

Prog

(PARI) 1/(8*log(2)*prodeulerrat(1-1/(p-1)^2, 1, 3)) \\ Amiram Eldar, Nov 29 2024

Crossrefs

Cf. A002162, A005597.

Sequence in context: A229952 A200439 A356381 * A197281 A019703 A124910

Adjacent sequences: A378479 A378480 A378481 * A378483 A378484 A378485

Keyword

nonn,cons

Author

Stefano Spezia, Nov 28 2024

Status

approved