A036187 Log base 2 (n) mod 131.

0, 1, 72, 2, 46, 73, 96, 3, 14, 47, 56, 74, 18, 97, 118, 4, 43, 15, 35, 48, 38, 57, 23, 75, 92, 19, 86, 98, 51, 119, 29, 5, 128, 44, 12, 16, 41, 36, 90, 49, 126, 39, 124, 58, 60, 24, 105, 76, 62, 93, 115, 20, 26, 87, 102, 99, 107, 52, 82, 120, 78, 30, 110, 6

Offset

1,3

References

I. M. Vinogradov, Elements of Number Theory, p. 220ff.

Links

Georg Fischer, Table of n, a(n) for n = 1..130

Maple

with(numtheory): seq(mlog(n, 2, 131), n=1..130); # Georg Fischer, Mar 09 2020

Mathematica

a[1]=0; a[n_]:=MultiplicativeOrder[2, 131, {n}]; Array[a, 130] (* Vincenzo Librandi, Mar 10 2020 *)

Crossrefs

Sequence in context: A036206 A249700 A036178 * A347918 A035879 A033392

Adjacent sequences: A036184 A036185 A036186 * A036188 A036189 A036190

Keyword

nonn,fini,full

Author

N. J. A. Sloane

Status

approved