49380

Appears in sequences

• a(n) = (2*n-1)*(13*n^2-13*n+6)/6.at n=22A063493
• Partial sums of repdigits of A002278.at n=4A099671
• Triangle, read by rows, where g.f. of row n equals the product of (1-x)^n and the g.f. of the coordination sequence for root lattice B_n, for n >= 0.at n=51A109001
• Total area under all nonnegative lattice paths from (0,0) to (n,0) such that slopes of adjacent steps differ by at most one, assuming zero slope before and after the paths.at n=12A333678
• Numbers obtained by adding the first k repdigits that consist of the same digit, for some number k.at n=39A346535