Discussion
Sat Jun 13
22:58
Peter Munn: (meaning his 2017 comment)
Discussion
Sun Jun 07
09:32
Peter Munn: Equivalent to first sentence of MFH's comment.
NAME
Sum Numbers n such that the sum of the divisors (sigma, A000203) of n is not divisible by 4.
COMMENTS
Numbers n such that the sum of the divisors of n is not divisible by 4. - Omar E. Pol, Apr 26 2017
Discussion
Wed Apr 26
21:53
N. J. A. Sloane: I think Omer makes a good point, and his suggestion is easier to read. I'll make the change.
Discussion
Wed Apr 26
21:27
M. F. Hasler: Yes, in earlier days this more concise style was preferred, cf title of A028983 : "sum of divisors is even". I think there is no ambiguity, thus no need to change...
COMMENTS
Numbers n such that the sum of the divisors of n is not divisible by 4. - Omar E. Pol, Apr 26 2017
Discussion
Wed Apr 26
17:47
Omar E. Pol: A better definition is "Numbers n such the sum of divisors of n is not divisible by 4."
17:52
Omar E. Pol: Or "Numbers n such that the sum of the divisors of n is not divisible by 4."
