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”).

A095088
Fib100 primes, i.e., primes p whose Zeckendorf-expansion A014417(p) ends with one and two final zeros.
2
3, 11, 37, 71, 79, 113, 139, 181, 223, 257, 283, 359, 367, 401, 409, 443, 503, 571, 587, 613, 647, 757, 859, 977, 1019, 1087, 1163, 1181, 1223, 1231, 1291, 1307, 1367, 1409, 1451, 1511, 1553, 1579, 1613, 1621, 1663, 1697, 1723, 1867, 1901
OFFSET
1,1
PROG
(Python)
from sympy import fibonacci, primerange
def a(n):
k=0
x=0
while n>0:
k=0
while fibonacci(k)<=n: k+=1
x+=10**(k - 3)
n-=fibonacci(k - 1)
return x
def ok(n): return str(a(n)).endswith("100")
print([n for n in primerange(1, 2001) if ok(n)]) # Indranil Ghosh, Jun 08 2017
CROSSREFS
Intersection of A000040 and A035337. Cf. A095068.
Sequence in context: A178563 A069358 A108544 * A306362 A007138 A046107
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 01 2004
STATUS
approved