A108560 a(n) = (A108559(n)+prime(A108559(n)))/11.

1, 13, 17, 20, 22, 29, 31, 40, 47, 50, 54, 76, 77, 81, 97, 116, 124, 125, 130, 158, 163, 168, 195, 209, 224, 232, 245, 253, 261, 265, 278, 280, 292, 296, 312, 313, 321, 333, 342, 367, 381, 383, 407, 424, 427, 473, 480, 487, 495, 514, 527, 539, 546, 548, 549

Offset

1,2

Links

Michael S. Branicky, Table of n, a(n) for n = 1..10000

Prog

(Python)
from sympy import nextprime
def aupton(terms):
  p, p_idx, alst = 1, 0, []
  while len(alst) < terms:
    p, p_idx = nextprime(p), p_idx+1
    if (p_idx + p)%11 == 0: alst.append((p_idx + p)//11)
  return alst
print(aupton(55)) # Michael S. Branicky, Apr 30 2021

Crossrefs

Cf. A108559.

Sequence in context: A111380 A288612 A109775 * A274422 A134257 A272078

Adjacent sequences: A108557 A108558 A108559 * A108561 A108562 A108563

Keyword

easy,nonn

Author

Zak Seidov, Jun 10 2005

Status

approved