OFFSET
2,1
FORMULA
a(n) = 2 if n is even. - Chai Wah Wu, Apr 15 2023
EXAMPLE
PROG
(Python)
from sympy import primefactors
def A358275(n): return min(primefactors(int(''.join(str(j)*j for j in range(1, n+1))))) if n&1 else 2 # Chai Wah Wu, Apr 15 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
David Cleaver, Mar 26 2023
STATUS
approved