OFFSET
0,2
COMMENTS
LINKS
Wikipedia, p-adic number
FORMULA
EXAMPLE
The unique number k in [1, 5^3] and congruent to 1 modulo 5 such that k^4 - 6 is divisible by 5^3 is k = 121 = (441)_5, so the first three terms are 1, 4 and 4.
PROG
(PARI) a(n) = lift(sqrtn(6+O(5^(n+1)), 4))\5^n
CROSSREFS
Digits of p-adic fourth-power roots:
KEYWORD
nonn,base
AUTHOR
Jianing Song, Sep 07 2019
STATUS
approved