cp's OEIS Frontend

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

%I A274413 #7 Feb 04 2025 15:10:10
%S A274413 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,
%T A274413 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,
%U A274413 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
%N A274413 Decimal expansion of V_2A, a Quantum Field Theory constant related to the coloring of the tetrahedron with two masses (adjacent case).
%D A274413 Jonathan Borwein and Peter Borwein, Experimental and Computational Mathematics: Selected Writings, Perfectly Scientific Press, 2010, p. 106.
%H A274413 David J. Broadhurst, <a href="http://arxiv.org/abs/hep-th/9803091">Massive 3-loop Feynman diagrams reducible to SC* primitives of algebras of the sixth root of unity</a>, arXiv:hep-th/9803091, 1998; p. 18.
%F A274413 V_2A = 6 zeta(3) - 5 zeta(4).
%e A274413 1.80072525040187475481841048636286043071616299444935875233874825483...
%t A274413 V2A = 6 Zeta[3] - 5 Zeta[4];
%t A274413 RealDigits[V2A, 10, 101][[1]]
%o A274413 (PARI) 6*zeta(3) - 5*zeta(4) \\ _Charles R Greathouse IV_, Feb 04 2025
%Y A274413 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).
%K A274413 nonn,cons
%O A274413 1,2
%A A274413 _Jean-François Alcover_, Jun 21 2016