22427

Appears in sequences

• Composite and every divisor (except 1) contains the digit 4.at n=17A062670
• Number of different configurations of cycles (loops) in graphs containing directed and undirected links.at n=9A117747
• Numbers n such that 156/101*(10^(4n)-1)-1 is prime.at n=10A178322
• Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined below in Comments.at n=16A192753
• Expansion of 1 / ((1-x)^2*(1-x^2)*(1-x^3)*...*(1-x^6)).at n=37A288341
• The number of nonnegative walks of n steps with step sizes 1 and 2, starting at 0 and ending at 2.at n=10A296619