194760
domain: N
Appears in sequences
- Number of length 2+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum.at n=34A247534
- a(n) = 1*2*3*4*5*6*7*8 + 9*10*11*12*13*14*15*16 + 17*18*19*20*21*22*23*24 + ... + (up to n).at n=12A319209
- Numbers such that the three numbers before and the three numbers after are squarefree semiprimes.at n=2A358657
- Numbers k such that k +- 2 and k +- 3 are all semiprimes.at n=40A382049