6149495domain: NAppears in sequencesExpansion of 1/((1-2*x)*(1-9*x)).at n=7A016133a(n) = 3*a(n-1) + 2*a(n-2) - 6*a(n-3).at n=14A135247Sum of all numbers in bijective base-n numeration with digit sum n.at n=8A332711