218300

Appears in sequences

• Numbers k such that 147*2^k+1 is prime.at n=39A032423
• Expansion of e.g.f. A(x,y) satisfying A(x,y) = Sum_{n>=0} (A(x,y)^n + y)^n * x^n/n!, as a triangle read by rows.at n=24A361540