43501
domain: N
Appears in sequences
- Quotients arising in A073162: A046992(n)/n if n is in A073162.at n=7A073164
- Apocalypse primes: 10^665+a(n) has 666 decimal digits and is prime.at n=29A115983
- Number of partitions of n such that the number of parts having multiplicity >1 is a part and the number of distinct parts is a part.at n=49A241409
- Number of polynomials a_k*x^k + ... + a_1*x + a_0 with k > 0, integer coefficients and only non-multiple positive integer roots and a_0 = p^n (p is a prime).at n=47A248956
- a(n) = Sum_{k=1..n} mu(k) * k^k.at n=5A344430
- Number of skew shapes in a 3 X n rectangle with no empty rows or columns.at n=24A362153
- Triangle read by rows: T(n,k) = number of heapable permutations of length n with exactly k decreasing runs.at n=50A389255
- Triangle read by rows: T(n,k) = number of heapable permutations of length n with exactly k increasing runs.at n=49A389487