91226

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 24.at n=22A031612
• a(n) = 6*binomial(n,4) + 5*binomial(n,2) - 4*n + 5.at n=25A066455
• Array read by upwards antidiagonals: T(m,n) = number of set partitions of the multiset consisting of one copy each of x_1, x_2, ..., x_m, and two copies each of y_1, y_2, ..., y_n, for m >= 0, n >= 0.at n=32A322765
• Number of partitions of the (n+4)-multiset {1,2,...,n,1,2,3,4}.at n=7A346881
• Number of partitions of the (n+7)-multiset {1,2,...,n,1,2,...,7}.at n=4A346884