-1915

Appears in sequences

• Expansion of Product_{m>=1} (1 - m*q^m)^2.at n=32A022662
• Reflected tetranacci numbers A073817.at n=29A074058
• Matrix inverse of A008278, which is the reflected triangle of the Stirling numbers of 2nd kind.at n=17A106342
• Triangle of coefficients of p(x,n) = (1-x)^(n+1)*Sum_{m >= 0} ((3*m+2)^n - (3*m+1)^n)*x^m, read by rows.at n=19A154853
• G.f. satisfies: [x^n] A(x)^((n+1)^2) = (n+1)^2 for n>=1; that is, the coefficient of x^n in the (n+1)^2 power of g.f. A(x) equals (n+1)^2.at n=6A172440
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood.at n=23A272156
• a(1) = 1; a(n+1) = a(n) +- (sum of digits of a(1) up to a(n)), with "+" when a(n) is odd, or "-" if even.at n=36A332058