26079

Appears in sequences

• Numbers whose set of base-12 digits is {1,3}.at n=39A032919
• Numbers m such that 13^m reversed is prime.at n=7A058995
• G.f.: Product_{n>=1} (1 + x^n + x^(n+1)).at n=40A160571
• Number of n X 4 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=15A223834
• G.f. A(x) satisfies: A(x) = 1 / (1 - 3*x) + x * (1 - 3*x) * A(x)^3.at n=6A346763
• Number of representations of 2^n - 1 as a sum (p*q + p*r + q*r) with three odd primes p <= q <= r.at n=54A369241