OFFSET
3,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 3..10000
FORMULA
a(n) = A014837(n) mod n. - R. J. Mathar, Aug 10 2008
MATHEMATICA
Table[ Mod[Plus@@Table[Plus@@IntegerDigits[n, k], {k, 2, n-1}], n], {n, 3, 100}]
PROG
(Python)
from sympy.ntheory import digits
def A014836(n):
c = 0
for b in range(2, n):
for d in digits(n, b)[1:]:
c = (c+d)%n
return c # Chai Wah Wu, Oct 28 2025
(PARI) a(n) = sum(b=2, n-1, sumdigits(n, b)) % n; \\ Michel Marcus, Oct 29 2025
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved
