29289

Appears in sequences

• Expansion of 1/((1-2x)(1-4x)(1-5x)(1-9x)).at n=4A025961
• All 81 combinations of prefixing and following a(n) by a single digit are nonprime.at n=16A032734
• a(n) cannot be prefixed or followed by any digit to form a prime ('empty' prefixes allowed).at n=2A032736
• Total number of restricted right truncatable primes in base n.at n=37A133757
• a(n) = (9 + 14*n + 12*n^2 + 4*n^3)/3.at n=27A166911
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood.at n=33A272457
• a(n) = Sum_{d|n} (n/d)^(d-1) * binomial(d+n/d-1,d).at n=19A360948