131751

Appears in sequences

• Replace n with concatenation of its odd divisors.at n=50A037283
• Replace 2n+1 with concatenation of its divisors.at n=25A037286
• Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) - m*k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 3, read by rows.at n=30A157154
• Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) - m*k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 3, read by rows.at n=33A157154
• Total number of inversions in all partitions of n.at n=29A271370