101781

Appears in sequences

• Number of independent sets of vertices in graph K_5 X C_n (n > 2).at n=7A051930
• Expansion of psi(x^4) / f(-x) in powers of x where psi(), f() are Ramanujan theta functions.at n=43A226635
• Series reversion of g.f. (1/2)*x*(-1; -x)_inf, where (a; q)_inf is the q-Pochhammer symbol.at n=13A278428
• a(n) = Sum_{k=1..n} gcd(k, n)^3.at n=44A343497