OFFSET
1,1
FORMULA
PROG
(Python)
n, f, i, p, q, base = 1, 1, 0, 0, 1, 3
while i < 100000:
....i, p, q = i+1, p*base, q*base
....if i == f:
........p, n = p+1, n+1
........f = f*n
n, a, j = 0, 0, 0
while p%q > 0:
....a, f, p, q = a+1, p//q, q, p%q
....if f == 1:
........n = n+1
........print(n, a-1-(8*n//3))
CROSSREFS
KEYWORD
sign
AUTHOR
A.H.M. Smeets, Aug 02 2018
STATUS
approved