112872domain: NAppears in sequencesMcKay-Thompson series of class 26B for Monster.at n=41A058597Expansion of q^(-1) * (chi(-q^13) / chi(-q))^2 in powers of q where chi() is a Ramanujan theta function.at n=41A128518a(n) = 196*n^2 - n.at n=23A158003a(n) = 784*n^2 - 2*n.at n=11A158398a(n) = 576*n^2 - 24.at n=13A158636