33556

Appears in sequences

• T(n,n+1), array T given by A047000.at n=9A047006
• Numbers k such that (10^k + 2)/6 is prime.at n=27A076850
• G.f.: A(x) = exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(n*k)) ).at n=24A218153
• Square root of number of nX4 arrays of occupancy after each element moves to some horizontal or vertical neighbor, with every occupancy equal to zero or two.at n=11A221313
• a(n) is the number of consecutive even prime gap pairs (g1, g2) satisfying g1 == 0 (mod 6) and g2 == 4 (mod 6) out of the first 2^n consecutive even prime gap pairs.at n=18A345334
• a(n) is the number of consecutive even prime gaps (g1, g2) satisfying g1 == 2 (mod 6) and g2 == 0 (mod 6) out of the first 2^n consecutive even prime gaps.at n=18A346776
• Expansion of g.f. A(x) satisfying A(x) = x + x^2 + (2*A(x)^3 + A(x^3))/3.at n=14A375439