69735688020
domain: N
Appears in sequences
- a(n) = n*3^n.at n=20A036290
- n*bigomega(n)^n, where bigomega(n) is the number of prime divisors of n, counted with multiplicity.at n=19A061452
- 9th binomial transform of (1,1,0,0,0,0,0,...).at n=11A081109
- a(n) = 3*a(n-1), with a(1) = 20.at n=20A116530
- Denominators of a ternary BBP-type formula for log(3).at n=19A154920
- Sum of the degrees of asymmetry of all ternary words of length n.at n=21A274499