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 A095283 Primes whose binary-expansion ends with an odd number of 1's. 4
 5, 7, 13, 17, 23, 29, 31, 37, 41, 53, 61, 71, 73, 89, 97, 101, 103, 109, 113, 127, 137, 149, 151, 157, 167, 173, 181, 193, 197, 199, 223, 229, 233, 241, 257, 263, 269, 277, 281, 293, 311, 313, 317, 337, 349, 353, 359, 373, 383, 389, 397, 401, 409 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 A. Karttunen and J. Moyer, C-program for computing the initial terms of this sequence MAPLE q:= proc(n) local i, l, r; l, r:= convert(n, base, 2), 0;       for i to nops(l) while l[i]=1 do r:=r+1 od; is(r, odd)     end: select(q, [ithprime(i)\$i=1..150])[];  # Alois P. Heinz, Dec 15 2019 PROG (PARI) is(n)=valuation(n+1, 2)%2 && isprime(n) \\ Charles R Greathouse IV, Oct 09 2013 CROSSREFS Intersection of A000040 & A079523. Complement of A095282 in A000040. Cf. A027697, A095293. Sequence in context: A216735 A216771 A216690 * A317543 A253297 A163385 Adjacent sequences:  A095280 A095281 A095282 * A095284 A095285 A095286 KEYWORD nonn,easy AUTHOR Antti Karttunen, Jun 04 2004 STATUS approved

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Last modified May 16 00:49 EDT 2021. Contains 343937 sequences. (Running on oeis4.)