A185189 Powers of 2 >= 16 and powers of odd primes.

3, 5, 7, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 37, 41, 43, 47, 49, 53, 59, 61, 64, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 113, 121, 125, 127, 128, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 243, 251, 256

Offset

1,1

Comments

Appears in Gauss's table of primitive roots and logs.

References

C. F. Gauss, Disquisitiones Arithmeticae, Yale, 1965; see Table 1, p. 463.

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

N:= 1000: # for terms <= N
R:= seq(2^i, i=4..floor(log[2](N))):
for p in select(isprime, [seq(i, i=3..N, 2)]) do
  R:= R, seq(p^i, i=1..floor(log[p](N)))
od:
sort([R]); # Robert Israel, Aug 19 2020

Crossrefs

Cf. A185268.

Sequence in context: A143449 A033034 A307882 * A247428 A184591 A033040

Adjacent sequences: A185186 A185187 A185188 * A185190 A185191 A185192

Keyword

nonn

Author

N. J. A. Sloane, Feb 19 2011

Extensions

Corrected by Robert Israel, Aug 19 2020

Status

approved