80697

Appears in sequences

• Position of start of first appearance of n consecutive 1's in the binary expansion of Pi.at n=15A178709
• Position of start of first appearance of n consecutive 1's in the binary expansion of Pi.at n=16A178709
• Position of start of first appearance of n consecutive 1's in the binary expansion of Pi.at n=17A178709
• Numbers k such that k![4] - 256 is prime, where k![4] = A007662(k) = quadruple factorial.at n=42A329177