19414
domain: N
Appears in sequences
- Number of partitions of n into 8 unordered relatively prime parts.at n=46A023028
- "DIJ" (bracelet, indistinct, labeled) transform of 1,2,3,4,...at n=7A032269
- Values of i such that phi(x) = 4i+2 has 4 solutions.at n=13A051479
- a(n) = floor(average of first n cubes).at n=41A078618
- Partial sums of A160120.at n=43A162778
- a(n) = Sum_{k=1..n} Catalan(k)^2.at n=5A167892
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 14", based on the 5-celled von Neumann neighborhood.at n=40A269709
- a(n) = Sum_{k=1..n} phi(k)*phi(k+1)*phi(k+2), where phi(k) = A000010(k) is Euler's totient function.at n=23A335131
- Multiply each term by 3 and erase the rightmost digit of the result: this leaves the sequence unchanged.at n=8A365987