549755813888
domain: N
Appears in sequences
- Powers of 8: a(n) = 8^n.at n=13A001018
- a(n) = 2^(2n+1).at n=19A004171
- a(n) = n^(n+5).at n=8A008791
- Expansion of e.g.f.: 1/2 + exp(-4*x)/2.at n=20A009117
- 13th powers: a(n) = n^13.at n=8A010801
- a(n) = 8^(2n+1).at n=6A013713
- a(n) = 8^(3*n + 1).at n=4A013742
- a(n) = 2^(4*n + 3).at n=9A013777
- a(n) = 8^(4*n + 1).at n=3A013788
- a(n) = 2^(5*n + 4).at n=7A013825
- a(n) = 8^(5*n + 3).at n=2A013848
- Denominator of sum of -13th powers of divisors of n.at n=7A017690
- Denominator of coefficients of both EllipticK/Pi and EllipticE/Pi.at n=11A038533
- a(n) = denominator of binomial(2n,n)/4^n.at n=21A046161
- a(n) is the first (and maximal) power of 2 arising during iterations of the Euler phi function with initial value n!.at n=20A053047
- Smallest number whose Euler totient is divisible by 2^n.at n=38A053576
- a(n) = 2^((prime(n) - 1)/2).at n=20A061285
- Denominators of coefficients in series expansion of -512*(1+x)^3/(x-8)^3.at n=13A066415
- If n is odd a(n) = 1, if n is even a(n) = 2^(n-1).at n=39A066532
- Smallest n-th power starting with 5.at n=12A067446