236193

Appears in sequences

• a(n) = T(3,n), array T given by A048471.at n=10A036543
• Main diagonal of number array A082105.at n=22A082106
• Expansion of (1+3*x+5*x^2-x^3)/((1-x^2)*(1-3*x^2)).at n=20A220944
• Positive integers m such that none of the four consecutive numbers m, m+1, m+2, m+3 can be written as p^2 + q with p and q both prime.at n=42A258661