OFFSET
1,2
EXAMPLE
k factorization max.exp. in primorial max digit diff
base
1 0, 1, 1, -1
2 = 2^1, 1, 10, 1, 0
8 = 2^3, 3, 110, 1, 2
32 = 2^5, 5, 1010, 1, 4
256 = 2^8, 8, 11220, 2, 6
2560 = 2^9 * 5^1, 9, 111120, 2, 7
30720 = 2^11 * 3^1 * 5^1, 11, 1032000, 3, 8
32768 = 2^15, 15, 1120110, 2, 13
4194304 = 2^22, 22, 83876020, 8, 14
20971520 = 2^22 * 5^1, 22, 231462310, 6, 16
58720256 = 2^23 * 7^1, 23, 610501410, 6, 17
234881024 = 2^25 * 7^1, 25, 1141710210, 7, 18
536870912 = 2^29, 29, 296AA71010, 10, 19
1342177280 = 2^28 * 5^1, 28, 6071712310, 7, 21.
On the penultimate row, letter "A" in the primorial base expansion stands for ten (10 in decimal), as 2^29 = 0*prime(0)# + 1*prime(1)# + 0*prime(2)# + 1*prime(3)# + 7*prime(4)# + 10*prime(5)# + 10*prime(6)# + 6*prime(7)# + 9*prime(8)# + 2*prime(9)#, where prime(n)# = A002110(n).
PROG
CROSSREFS
Positions of records for -A350074(n).
KEYWORD
nonn,more
AUTHOR
Antti Karttunen, Feb 01 2024
STATUS
approved