A064503 Bisection of A064394.

4, 8, 22, 26, 32, 50, 56, 70, 76, 82, 94, 100, 112, 118, 128, 134, 176, 186, 196, 266, 274, 280, 296, 342, 352, 358, 364, 372, 386, 392, 400, 406, 426, 454, 472, 484, 496, 560, 580, 598, 638, 656, 666, 682, 696, 704, 714, 724, 738, 750, 772, 776, 800, 832

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Prog

(Python 3.10+)
from itertools import count, islice
from sympy import prevprime
def A064503_gen(): # generator of terms
    return islice(filter(lambda n:n-n.bit_count()==prevprime(n), count(3)), 0, None, 2)
A064503_list = list(islice(A064503_gen(), 30)) # Chai Wah Wu, Jul 10 2022

Crossrefs

Sequence in context: A319565 A129794 A370956 * A050482 A323584 A332199

Adjacent sequences: A064500 A064501 A064502 * A064504 A064505 A064506

Keyword

nonn

Author

Vladeta Jovovic, Oct 05 2001

Status

approved