36455

Appears in sequences

• Numbers k such that 2*k+1, 3*k+2, 4*k+3 and 5*k+4 are primes.at n=33A138700
• Number of isomorphism classes of kei (involutory quandles) of order n.at n=10A178432
• Great rhombicuboctahedron with faces of centered polygons.at n=11A193252
• (8*n^3 + 3*n^2 + n) / 6.at n=29A219054
• Number of length 4 1..(n+1) arrays with every leading partial sum divisible by 2 or 3.at n=19A257066
• a(n) = ((2*n+1)/(n+1))*Sum_{j=0..n/2} binomial(n+1, j)*binomial(n-j-1, n-2*j).at n=11A278646
• p-INVERT of (1,1,0,0,0,0,...), where p(S) = (1 - S)(1 - 2 S).at n=9A291393
• Starting with 1,2,3,4,5,6: a(n) is the next smallest number greater than a(n-1) such that a[i] + a[j] + a[k] != a[x] + a[y] + a[z] for 1 <= i,j,k,x,y,z <= n all distinct.at n=30A317778