274677

Appears in sequences

• Number of increasing sequences of addition chain type with maximal element n.at n=21A008928
• Triangle read by rows: T(n,k), for k=-n..n-1, is the scaled (by 2^n n!) probability that the sum of n uniform [-1, 1] variables is between k and k+1.at n=60A101842
• Triangle formed by left half of A101842, read by rows.at n=32A101845
• Triangle formed by right half of A101842, read by rows.at n=31A102012