56307

Appears in sequences

• Numbers n such that 137 * 2^n + 1 is a prime.at n=12A032418
• Number of partitions of n into parts not of the form 19k, 19k+9 or 19k-9. Also number of partitions with at most 8 parts of size 1 and differences between parts at distance 8 are greater than 1.at n=45A035978
• 3p^2 where p runs through the primes.at n=32A079705
• Numbers k such that k*Lucas(k) + 1 is prime.at n=33A134696
• An eighth of the product of three integers surrounding the (n+1)-st prime, minus half of the product of the 3 numbers surrounding n+1.at n=20A141535
• Numbers with distinct digits appearing in partition of decimal expansion of e (A001113).at n=41A167836
• Numbers of the form 20*k+7 which are three times a square.at n=27A192328
• Number of idempotent 3X3 -n..n matrices of rank 2.at n=18A223452
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 846", based on the 5-celled von Neumann neighborhood.at n=15A284298
• Numbers p^2*q, p > q odd primes such that q divides p+1.at n=26A350245