67780

Appears in sequences

• a(n) = (2*n^3 + 5*n^2 - 11*n)/2.at n=39A162257
• Expansion of Product_{k>=1} (1 + 4*x^k).at n=25A261568
• Consecutive states of the linear congruential pseudo-random number generator (9806*s+1) mod (2^17-1) when started at s=1.at n=32A384236