3 ms·
there is a factorial sequence in it, makes sense. 24, 120, 720...
by karakot 5y ago
there is a factorial sequence in it, makes sense.
24, 120, 720...
- varyherb 5y agoNot to mention 1, 2, and 6 :) 7! = 5040 shows up as well in the OEIS sequence. Buuut, 8! = 40320 does not...too many useless 2's in the prime factorization?