76978

Appears in sequences

• Numbers k with property that p = 10k + 1, p^3 + 6, p^3 + 12 and p^3 + 18 are all prime.at n=5A173629
• Minimal numbers of binary length n+1 such that the number of contiguous palindromic bit patterns in the binary representation is minimal.at n=15A206927
• a(n) = decimal equivalent of A215254(n).at n=16A215253
• Number of tetrahedra in the n X n black bishop graph.at n=22A391766
• Array read by downward antidiagonals: A(n,k) = A(n-1,k+1) + Sum_{j=0..k} A(n-1,j)*A(k-j,0) with A(0,k) = 1.at n=39A392095