28106

Appears in sequences

• Engel expansion of Sum_{k>=0} 1/(1 + k)^k.at n=7A063184
• a(n) = n^4/8 + (5*n^3)/12 - n^2/8 - (5*n)/12 + 1.at n=22A226639
• Positive integers m such that pi(m^2) = pi(j^2) + pi(k^2) for no 0 < j <= k < m.at n=53A262408
• Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by other than plus or minus one modulo n+1.at n=11A269679
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 118", based on the 5-celled von Neumann neighborhood.at n=41A270187
• Expansion of x * (d/dx) Product_{k>=0} 1/(1 - x^(2^k)).at n=47A304909
• Number of Golomb partitions of n.at n=49A325858
• Expansion of (1/x) * Series_Reversion( x * (1+x) / (1+x+x^3)^3 ).at n=8A372376