31437

Appears in sequences

• Quadrinomial coefficients: C(2+n,n) + C(3+n,n) + C(4+n,n).at n=26A005718
• G.f. is the polynomial (Product_{k=1..28} (1 - x^(3*k)))/(1-x)^28.at n=4A162727
• Number of terms of A072873 less than or equal to 10^n.at n=44A267757
• Number of nX5 0..1 arrays with every element unequal to 0, 1, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=12A318347