[go: up one dir, main page]

login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A108560
a(n) = (A108559(n)+prime(A108559(n)))/11.
2
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
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
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Jun 10 2005
STATUS
approved