111316

Appears in sequences

• Describe the n-th triangular number A000217(n).at n=16A045986
• Triangle T(n,k), 0<= k <= n, read by rows; given by [0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, ...] DELTA [1, 0, 2, 1, 3, 2, 4, 3, 5, 4, 6, 5, ...] where DELTA is the operator defined in A084938.at n=41A094344
• Digit count of prime(n). The digit count numerically summarizes the frequency of digits 0 through 9 in that order when they occur in a number.at n=37A127354
• a(0) = a(1) = 1; a(n) = [x^n] Product_{k=1..n-1} 1/(1 - x^a(k))^a(k).at n=36A293807