A274413 Decimal expansion of V_2A, a Quantum Field Theory constant related to the coloring of the tetrahedron with two masses (adjacent case).

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

Offset

1,2

References

Jonathan Borwein and Peter Borwein, Experimental and Computational Mathematics: Selected Writings, Perfectly Scientific Press, 2010, p. 106.

Links

Table of n, a(n) for n=1..101.

David J. Broadhurst, Massive 3-loop Feynman diagrams reducible to SC* primitives of algebras of the sixth root of unity, arXiv:hep-th/9803091, 1998; p. 18.

Formula

V_2A = 6 zeta(3) - 5 zeta(4).

Example

1.80072525040187475481841048636286043071616299444935875233874825483...

Mathematica

V2A = 6 Zeta[3] - 5 Zeta[4];
RealDigits[V2A, 10, 101][[1]]

Crossrefs

Cf. A274412 (V_1), A274414 (V_2N), A274415 (V_3T), A274416 (V_3S), A274417 (V_3L), A274418 (V_4A), A274419 (V_4N), A274420 (V_5), A274421 (V_6).

Sequence in context: A246560 A199064 A280653 * A369885 A167261 A114611

Adjacent sequences: A274410 A274411 A274412 * A274414 A274415 A274416

Keyword

nonn,cons

Author

Jean-François Alcover, Jun 21 2016

Status

approved