-1045

Appears in sequences

• Triangle of diagonals of symmetric Krawtchouk matrices.at n=75A099037
• a(2n) = (n^2-n-1) + a(2n-2), a(2n+1) = (n^2-n-1)*a(2n-1), with a(0)=0 and a(1)=1.at n=11A154232
• Triangle of characteristic polynomials, see Mathematica code.at n=17A158390
• Numerator of Hermite(n, 11/12).at n=3A159486
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 201", based on the 5-celled von Neumann neighborhood.at n=21A270723
• Numerators of z-sequence for the Sheffer matrix T = P*Lah = A271703 = A007318*A271703 = (exp(t), t/(1-t)).at n=5A288869
• Triangle a(n, k) read by rows: coefficient triangle that gives Lucas powers and sums of Lucas powers.at n=18A317360
• Expansion of Product_{k>0} 1/(Sum_{m>=0} x^(k*m^2)).at n=42A320119
• Expansion of (1/x) * Series_Reversion( x*(1+x+x^3)/(1+x)^2 ).at n=12A366116