-3025

Appears in sequences

• E.g.f. arcsin(log(x+1)/exp(x)).at n=6A013562
• A nonsense sequence.at n=24A143050
• Triangle read by rows. Signed version of A008277.at n=38A154959
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of (floor[(i+1)/2] if i=j and = 0 otherwise), as in A204162.at n=49A204163
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 5", based on the 5-celled von Neumann neighborhood.at n=27A270009
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 7", based on the 5-celled von Neumann neighborhood.at n=27A270013
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 73", based on the 5-celled von Neumann neighborhood.at n=27A270090
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 89", based on the 5-celled von Neumann neighborhood.at n=27A270132
• Alternating sum of centered 25-gonal numbers.at n=21A270693
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 347", based on the 5-celled von Neumann neighborhood.at n=29A271300
• A signed variant of A309132.at n=54A326582
• Dirichlet g.f.: zeta(s) / (zeta(s-1) * zeta(s-2)).at n=41A351654