A331770 El Gradechi's hybrid coefficients alpha^{6,6}_{2n}, negated.

1008, 21168, 127008, 465696, 1297296, 3027024, 6237504, 11721024, 20511792, 33918192, 53555040, 81375840, 119705040, 171270288, 239234688, 327229056, 439384176, 580363056, 755393184, 970298784, 1231533072, 1546210512, 1922139072, 2367852480, 2892642480, 3506591088, 4220602848

Offset: 0

Author

N. J. A. Sloane, Feb 08 2020

Keywords

• nonn

Comments

See El Gradechi (2013) for precise definition.

Links

• Robin Visser, Table of n, a(n) for n = 0..10000
• Amine M. El Gradechi, The Lie theory of certain modular form and arithmetic identities, The Ramanujan Journal 31.3 (2013): 397-433.

Crossrefs

Cf. A002299, A331768, A331769.

Programs

Magma

[1008*Binomial(5 + 2*n, 5) : n in [0..100]];  // Robin Visser, Jul 24 2023

PARI

a(n) = 1008*binomial(5 + 2*n, 5);  \\ Robin Visser, Jul 24 2023

Formula

a(n) = 1008 * binomial(5 + 2*n, 5) = 1008 * A002299(n). - Robin Visser, Jul 24 2023

Extensions

More terms from Robin Visser, Jul 24 2023