30841

Properties

Appears in sequences

• Expansion of exp(x)/cos(log(1+x)).at n=8A009288
• Numbers k such that 6*k+5, 6*k+11, 6*k+17, 6*k+23 are consecutive primes.at n=27A090836
• Numbers k such that 13k = 6j^2 + 6j + 1.at n=39A106390
• Consecutive pairs of prime point sums in A161191 (includes triples).at n=18A161192
• a(n) = a(n-2)*2 + floor(sqrt(a(n-1))).at n=28A182559
• Prime numbers whose central digit equals the sum of the other digits.at n=24A235119
• Numerators of lower primes-only best approximates (POBAs) to Pi; see Comments.at n=16A265808
• Numerators of primes-only best approximates (POBAs) to Pi; see Comments.at n=19A265812
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 629", based on the 5-celled von Neumann neighborhood.at n=29A273297
• Primes that can be generated by the concatenation in base 4, in ascending order, of two consecutive integers read in base 10.at n=20A287302
• The prime terms of A225563.at n=29A335120
• Primes of the form A321513(k) + 1 for some k > 0.at n=35A352966
• Consecutive states of the linear congruential pseudo-random number generator (1093*s + 18257) mod 86436 when started at s=1.at n=12A385340
• Prime numbers of the form A385986(1) + ... + A385986(k) for some k > 0.at n=34A385987
• Prime numbersat n=3325