-16865

Appears in sequences

• Expansion of f(-q)^10 / f(-q^5)^2 in power of q where f() is a Ramanujan theta function.at n=32A243939
• a(1) = 1, then add, subtract and multiply 2, 3, 4; 5, 6, 7; ... in that order.at n=17A362271