A126838 Ramanujan numbers (A000594) read mod 7^3.

1, 319, 252, 243, 28, 126, 63, 102, 233, 14, 218, 182, 217, 203, 196, 325, 28, 239, 294, 287, 98, 256, 193, 322, 81, 280, 126, 217, 121, 98, 98, 80, 56, 14, 49, 24, 291, 147, 147, 112, 112, 49, 282, 152, 7, 170, 91, 266, 196, 114, 196, 252, 134, 63, 273, 252, 0, 183, 42

Offset

1,2

Links

Seiichi Manyama, Table of n, a(n) for n = 1..10000

H. P. F. Swinnerton-Dyer, On l-adic representations and congruences for coefficients of modular forms, pp. 1-55 of Modular Functions of One Variable III (Antwerp 1972), Lect. Notes Math., 350, 1973.

Mathematica

a[n_] := Mod[RamanujanTau[n], 343]; Array[a, 100] (* Amiram Eldar, Jan 05 2025 *)

Prog

(PARI) a(n) = ramanujantau(n) % 343; \\ Amiram Eldar, Jan 05 2025

Crossrefs

Cf. A000594, A126836 (mod 7^1), A126837 (mod 7^2), this sequence (mod 7^3).

Sequence in context: A262846 A225579 A261281 * A153048 A053020 A250660

Adjacent sequences: A126835 A126836 A126837 * A126839 A126840 A126841

Keyword

nonn,changed

Author

N. J. A. Sloane, Feb 25 2007

Status

approved