A194944 Records in A034693.

1, 2, 4, 6, 10, 12, 20, 24, 26, 30, 32, 38, 42, 44, 46, 60, 84, 108, 114, 126, 144, 166, 182, 192, 212, 234, 246, 258, 276, 278, 288, 294, 310, 406, 480, 494, 504, 534, 618, 634

Offset: 1

Author

Charles R Greathouse IV, Sep 06 2011

Keywords

• nonn
• hard

Crossrefs

Cf. A034693, A194945 (positions).

Programs

PARI

A034693(n)=my(k=n+1);while(!isprime(k),k+=n);(k-1)/n
r=0;forstep(n=1,1e9,2,t=A034693(n);if(t>r,r=t;print1(t", ")))

Formula

a(n) = A034693(A194945(n)). - R. J. Mathar, May 05 2023

Extensions

a(36)-a(40) from Charles R Greathouse IV, Sep 18 2011

NAME corrected by R. J. Mathar, May 05 2023