A117925 Fixed points of A055265, A117922, A117923 and A117924.

1, 2, 3, 4, 6, 8, 9, 10, 14, 18, 19, 21, 23, 24, 28, 33, 35, 42, 50, 56, 57, 62, 68, 81, 82, 111, 116, 120, 137, 143, 149, 156, 159, 166, 168, 169, 173, 186, 200, 201, 204, 206, 212, 218, 226, 234, 237, 253, 263, 266, 269, 273, 274, 277, 282, 284, 285, 286, 288

Offset: 1

Author

Reinhard Zumkeller, Apr 03 2006

Keywords

• nonn

Comments

a(n) = A055265(a(n)) = A117922(a(n)) = A117923(a(n)) = A117924(a(n)).

Links

• T. D. Noe, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A055265, A117922, A117923, A117924.

Programs

PARI

a(n)=v=[1];k=1;while(#v<=n,if(isprime(k+v[#v])&&!vecsearch(vecsort(v),k),v=concat(v,k);k=0);k++);v[#v-1]
n=1;while(n<1000,if(a(n)==n,print1(n,", "));n++) \\ Derek Orr, Jun 08 2015