-1430715

Appears in sequences

• Expansion of reversion of (x - 2*x^2) / (1 - x)^3.at n=19A134565
• Expansion of series reversion of generating function for triangular numbers.at n=10A179848
• Triangle read by rows: Riordan array (2 - D(x), x * D(x)) where D(x) is g.f. of A001764.at n=55A380191