-1573

Appears in sequences

• G.f.: x^(k^2)/(mul(1-x^(2*i),i=1..k)*mul(1+x^(2*r-1),r=1..oo)) with k=4.at n=41A246580
• G.f. (1-x)/(2*sqrt(5*x^2 + 2*x + 1)) - 1/2.at n=12A249908
• Alternating sum of 12-gonal (or dodecagonal) numbers.at n=25A266088
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 229", based on the 5-celled von Neumann neighborhood.at n=23A270949
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 379", based on the 5-celled von Neumann neighborhood.at n=21A271538
• a(n) = n! * [x^n] exp(exp(x) - n*x - 1).at n=5A290219
• Alternating row sums of Riordan triangle A319203.at n=15A321205
• Expansion of e.g.f.: exp(exp(x) - 5*x - 1).at n=5A346740
• A(n,k) is the n-th term of the k-th inverse binomial transform of the Bell numbers (A000110); square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=60A361781