A095081 Fibodd primes, i.e., primes p whose Zeckendorf-expansion A014417(p) ends with one.
17, 19, 43, 53, 59, 61, 67, 101, 103, 127, 137, 163, 179, 197, 211, 229, 239, 263, 271, 281, 307, 313, 331, 347, 349, 373, 383, 389, 433, 449, 457, 467, 491, 499, 509, 569, 577, 593, 601, 619, 643, 653, 661, 677, 739, 773, 787, 797, 821, 823
Offset: 1
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 1..10000
- A. Karttunen and J. Moyer, C-program for computing the initial terms of this sequence
Programs
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Mathematica
r = Map[Fibonacci, Range[2, 12]]; Select[Prime@ Range@ 144, Last@ Flatten@ Map[Position[r, #] &, Abs@ Differences@ NestWhileList[Function[k, k - SelectFirst[Reverse@ r, # < k &]], # + 1, # > 1 &]] == 1 &] (* Michael De Vlieger, Mar 27 2016, Version 10 *)
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PARI
genit(maxx)={for(n=1,maxx,q=(n-1)+(n+sqrtint(5*n^2))\2; if(isprime(q), print1(q,",")));} \\ Bill McEachen, Mar 26 2016
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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))[-1]=="1" print([n for n in primerange(1, 1001) if ok(n)]) # Indranil Ghosh, Jun 07 2017