4032000
domain: N
Appears in sequences
- a(n) = n! + (n-1)! + (n-2)!.at n=10A054119
- a(n)=2a(n-1) but when sum of digits of 2a(n-1) is greater than 9 take a(n) = largest number < 2a(n-1) which has sum of digits = 9.at n=22A140134
- Triangle read by rows: T(n, k) = (n+1)!*(1/k + 1/(n-k+1)).at n=36A156047
- Triangle read by rows: T(n, k) = (n+1)!*(1/k + 1/(n-k+1)).at n=44A156047
- Number of endofunctions on [n] where the largest cycle length equals 9.at n=1A246219
- Number of endofunctions on [n] such that the LCM of their cycle lengths equals nine.at n=10A291115