74460

Appears in sequences

• a(n) = binomial(n+3,6) + binomial(n+1,5) + binomial(n,5).at n=15A005732
• Theta series of D_6 lattice.at n=36A008428
• Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,3.at n=5A037609
• a(n) = C(3+n, n) + C(4+n, n) + C(5+n, n) + C(6+n, n).at n=15A062966
• First differences of A069473.at n=7A069474
• Group the natural numbers >= 1 so that the n-th group contains n(n+1)/2 numbers and obtain the group sum.at n=14A095166
• Shiraishi numbers: a parametrized family of solutions c to the Diophantine equation a^3 + b^3 + c^3 = d^3 with d = c+1.at n=39A226903