68479

Appears in sequences

• Values A such that p=prime(n) satisfies binomial(2p-1, p-1) == 1 + A*p (mod p^4).at n=14A260209
• Numbers k such that A001414(k+1) = A001414(k)+1 and A001414(k)^2+3*A001414(k)+1 is prime.at n=18A352581
• Primeshift array for primegap shift: Square array read by antidiagonals: A(1,col) = 3*col, and for row > 1, A(row,col) = A389084(A(row-1,col)).at n=62A389086