30864

Appears in sequences

• Fibonacci sequence beginning 7, 15.at n=17A022389
• Concatenation of first n terms of A109855 divided by n.at n=3A109856
• Polylogarithm li(-n,-1/7) multiplied by (8^(n+1))/7.at n=6A213130
• Least integer m > 0 with pi(m*n) = sigma(m), where sigma(m) is the sum of all positive divisors of m.at n=31A247603
• Number of (n+1)X(n+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.at n=8A253691
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 147", based on the 5-celled von Neumann neighborhood.at n=35A270292
• a(n) = n! * Sum_{k=0..n-1} 4^k / k!.at n=6A348314
• Number of partitions of n whose least part is a multiple of 3.at n=61A363094
• Sum over all partitions of n of the number of elements with minimal multiplicity in their partition.at n=34A372632