97655

Appears in sequences

• a(0) = 0; a(n) = 5*a(n-1) + 5.at n=7A104891
• a(1)=1, a(n) = a(n-1) + (p-1)*p^(n/2-1) if n is even, otherwise a(n) = a(n-1) + p^((n-1)/2), where p=5.at n=13A133629
• a(n) = Sum_{k=1..7} n^k.at n=5A228291
• Numbers whose base-b expansions, for both b=3 and b=4, include no digits other than 1 and b-1.at n=27A262958
• a(n) = (p_n + 1)*q_n - 1; where (p_n, q_n) is the n-th twin prime pair.at n=19A328493
• Numbers of the form p*q, where p is prime and q=(p^k-1)/(p-1) is also prime for some integer k>1.at n=11A330832
• Nonprime-powers k such that, for any prime p dividing k and m = 1+floor(log k/log p), rad(p^m (mod k)) divides k, where rad = A007947.at n=20A381750
• Numbers k in A024619 such that all residues r (mod k) in row k of A381801 are such that rad(r) divides k, where rad = A007947.at n=13A382438