105651
domain: N
Appears in sequences
- 4-dimensional figurate numbers: a(n) = (5*n-1)*binomial(n+2,3)/4.at n=26A002418
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 25.at n=12A031703
- "Model 1" for number of free alkanes on n points.at n=11A126939
- Numbers a(n)=k such that (1/3)*(5*(2k+1)^2-2) is A057080(n)^2.at n=6A145608
- a(n) = 625*n^2 + 2*n.at n=12A158382
- Expansion of x*(1 + 3*x + x^2)/((1 - x)^5*(1 + x)^4).at n=51A287143
- a(n) = binomial(n, 2) + 6*binomial(n, 4).at n=27A327319