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A299206
Ramanujan's tau function (or tau numbers (A000594)) for 5^n.
0
1, 4830, -25499225, -359001100500, -488895969711875, 15167983076643206250, 97133231781274332671875, -271470664160664028370625000, -6054036890966043032024015234375, -15985594659896064584391569753906250, 218396847859403327980436336954599609375
OFFSET
0,2
LINKS
Eric Weisstein's World of Mathematics, Tau Function
FORMULA
G.f.: 1/(1-4830*x+48828125*x^2).
a(n) = A000594(A000351(n)). - Michel Marcus, Feb 05 2018
MATHEMATICA
RamanujanTau[5^Range[0, 10]] (* Harvey P. Dale, Jun 06 2024 *)
PROG
(PARI) {a(n) = ramanujantau(5^n)}
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Feb 05 2018
STATUS
approved