OFFSET
0,1
COMMENTS
See El Gradechi (2013) page 426 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.
FORMULA
a(n) = 480 * binomial(3 + 2*n, 3) = 480 * A000447(n+1). - Robin Visser, Jul 24 2023
PROG
(Magma) [480*Binomial(3 + 2*n, 3) : n in [0..100]]; // Robin Visser, Jul 24 2023
(PARI) a(n) = 480*binomial(3 + 2*n, 3); \\ Robin Visser, Jul 24 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 08 2020
EXTENSIONS
More terms from Robin Visser, Jul 24 2023
STATUS
approved