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A185189 Powers of 2 >= 16 and powers of odd primes. 2
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified May 7 00:04 EDT 2021. Contains 343609 sequences. (Running on oeis4.)