a(n) = Product_{k=2..n-1} k^ord(n, k) where ord(n, k) = 0 if k does not divide n, otherwise is the exponent of the highest power of k that divides n.
A381885
a(n) = Product_{k=2..n-1} k^ord(n, k) where ord(n, k) = 0 if k does not divide n, otherwise is the exponent of the highest power of k that divides n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =1a(5) =6a(6) =1a(7) =32a(8) =9a(9) =10a(10) =1a(11) =288a(12) =1a(13) =14a(14) =15a(15) =2048a(16) =1a(17) =972a(18) =1a(19) =800a(20) =21a(21) =22a(22) =1a(23) =55296a(24) =25a(25) =26a(26) =243a(27) =1568a(28) =1a(29) =27000
External references
- oeis: A381885