550746

Appears in sequences

• Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly one way.at n=26A076454
• Number of reduced words of length n in Coxeter group on 28 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.at n=4A163187
• First differences of cubefree taxi-cab numbers.at n=12A387253