78536544841
domain: N
Appears in sequences
- Divisors of 2^39 - 1.at n=14A003545
- Cyclotomic polynomials at x=8.at n=13A019326
- 13th cyclotomic polynomial evaluated at powers of 2.at n=3A020521
- Gaussian binomial coefficients [ n,12 ] for q = 8.at n=1A022252
- a(n) = (8^n - 1)/7.at n=13A023001
- Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2.at n=18A037497
- a(n) = Sum_{j=0..12} n^j.at n=8A060887
- Values of repunits with odd length L in base (L+3)/2 representation.at n=6A125119
- Sum of the cubes of the divisors of n^3.at n=15A258331
- a(n) = a(n-1) + 2*a(n-2) if n even, or 3*a(n-1) + 4*a(n-2) if n odd, starting with 0, 1.at n=26A299913
- a(n) = Numerator([x^n] (4*sinh(sqrt(x)/2)^2*cosh(sqrt(x)))/x).at n=19A327497