12800000000
domain: N
Appears in sequences
- Denominator of sum of -8th powers of divisors of n.at n=19A017680
- a(1)=1 and for n>1, a(n) is the smallest multiple of a(n-1) which has no nonzero digit in common with a(n-1).at n=23A079838
- a(n)=Product{k=0..n, 1+9^A010060(k)}/2.at n=15A101655
- Number of compositions of even natural numbers into 8 parts <= n.at n=19A191495
- Number of compositions of odd natural numbers into 8 parts <=n.at n=19A191899
- a(n) = 5^n * n^5.at n=8A198402
- a(n) = 8^n*n^8.at n=5A198404
- Triangle, read by rows: n^k * k^n, for n >= 1 and k = 1..n.at n=32A303990