50818
domain: N
Appears in sequences
- a(n) = 49*n^2 - 78*n + 31.at n=32A157368
- Numbers k such that 7*10^k - 89 is prime.at n=24A281828
- Number of edges among all distinct circles that can be constructed from n equally spaced points along a line using only a compass.at n=17A359254
- Numbers k such that A003415(k) == A276085(k) (mod 2310), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.at n=46A391864