31575

Appears in sequences

• Triangular matrix T, read by rows, that satisfies: SHIFT_LEFT(column 0 of T^((3*p-1)/3)) = (3*p-1)*(column p of T), or [T^((3*p-1)/3)](m,0) = (3*p-1)*T(p+m,p) for all m>=1 and p>=0.at n=23A107717
• Number of subsets of {1..n} containing at least one element that is a sum of distinct non-elements.at n=15A384350