43047

Appears in sequences

• Prime(a(n)) + ... + prime(a(n)+3) is a square = A051395(n)^2.at n=32A072849
• Numbers k such that 10^999 + k is a (titanic) prime.at n=24A074282
• Number of (n+3) X 6 0..1 matrices with each 4 X 4 subblock idempotent.at n=18A224563