70357

Appears in sequences

• a(n) = n^2*(n^2+3)/4.at n=22A039623
• Numbers n with property that n^2 starts and ends with 49.at n=29A159815
• E.g.f. A(x) satisfies A(x) = exp( x * sqrt(1+2*x) * A(x) ).at n=6A372162