73780

Appears in sequences

• Quadrinomial coefficients: C(2+n,n) + C(3+n,n) + C(4+n,n).at n=33A005718
• a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 5.at n=12A160894
• Number of (n+1) X 2 binary arrays with no 2 X 2 subblock sum equal to any horizontal or vertical neighbor 2 X 2 subblock sum.at n=9A185790
• Degrees of irreducible representations of orthogonal group O10+(2).at n=26A214472
• Degrees of irreducible representations of orthogonal group O10+(2).at n=27A214472
• Degrees of irreducible representations of orthogonal group O10+(2).at n=28A214472
• Number of symmetric racks of order n, up to isomorphism.at n=8A386231