40326
domain: N
Appears in sequences
- a(n) = a(n-1)! + a(n-2)!.at n=5A005604
- Number of reversible strings with n-1 beads of 2 colors. 5 beads are black. String is not palindromic.at n=21A032092
- Sums of nonconsecutive factorial numbers.at n=37A060112
- Sum of factorials of the digits of n.at n=38A061602
- Integers of the form m! + n!, m and n = positive integers.at n=30A066847
- a(n) = a(n-1)! + a(n-2)! with a(0) = 0, a(1) = 1.at n=5A114020
- Integers having ideal digital mean up to base 5.at n=22A144800
- a(n) = n*(7*n^2 - 3*n - 1)/3.at n=26A214659
- Number of length n+5 0..2 arrays with no three disjoint pairs in any consecutive six terms having the same sum.at n=5A248442
- T(n,k)=Number of length n+5 0..k arrays with no three disjoint pairs in any consecutive six terms having the same sum.at n=26A248448
- Number of length 6+5 0..n arrays with no three disjoint pairs in any consecutive six terms having the same sum.at n=1A248454
- Number of n-element subsets of [n+5] having an even sum.at n=22A282081
- Numbers k such that 5 is the smallest decimal digit of k^3.at n=6A291644
- Integers which can be partitioned into two distinct factorials. 0! and 1! are not considered distinct.at n=23A301523
- Expansion of (1 + 8*x) / sqrt(1 - 4*x).at n=8A349847
- a(n) = Sum_{k=0..floor(n/5)} (n-5*k)!.at n=8A358500
- Triangle read by rows: T(n,k) = (-1)^n * n! + (-1)^(k+1) * k! for n >= 2 and 1 <= k <= n-1.at n=23A373967