56306

Appears in sequences

• Convolution of Fibonacci numbers and primes.at n=18A023615
• Numbers n such that phi(4n+1) = sigma(n).at n=16A067234
• 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 = 1, read by rows.at n=48A157152
• 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 = 1, read by rows.at n=51A157152
• Number of integer partitions of n whose parts have weakly decreasing numbers of prime factors (A001222).at n=48A358909
• Number of n-digit zeroless numbers whose digit sum is larger than the product of all digits.at n=20A360972