login
A136002
Numbers that are not the sum, minus 1, of a Pythagorean triple.
6
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 72, 73, 74, 75, 76, 77, 78, 80, 81, 82, 84
OFFSET
1,2
COMMENTS
Numbers that are not in A136000.
LINKS
MATHEMATICA
q[n_] := EvenQ[n] || Module[{d = Divisors[(n+1)/2]}, AllTrue[Range[3, Length[d]], d[[#]] >= 2 * d[[#-1]] &]]; Select[Range[100], q] (* Amiram Eldar, Oct 19 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Dec 15 2007
EXTENSIONS
Extended by Ray Chandler, Dec 13 2008
STATUS
approved