125505

Appears in sequences

• Expansion of 1 + 3*(1-x-sqrt(1-2*x-3*x^2))/2.at n=15A168073
• Convolution of A000716 and the positive integers.at n=14A353689
• Irregular triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the numbers of A353689 multiplied by A000330(k), and the first element of column k is in row A000217(k).at n=40A353690