81535

Appears in sequences

• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=20A192966
• Number of partitions p of n including round(mean(p)) as a part. (This is "Mathematica round").at n=48A241338
• Number of partitions p of n such that round(mean(p)) is a part of p; here, round(x) means floor(x + 1/2).at n=48A241733
• Numbers k such that 4*k + {1, 3, 7, 9, 13, 19} are all prime.at n=3A254288
• Numbers n such that 4n+1, 4n+3, 4n+7, 4n+9 and 4n+13 are prime.at n=12A254376