login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A179271
Odd long legs `B` of more than one primitive Pythagorean triangle.
1
2145, 3315, 3465, 4095, 4845, 5005, 5865, 6435, 6545, 6555, 7735, 8645, 9009, 9945, 10005, 10695, 11305, 11781, 13167, 13485, 13685, 13923, 14535, 15015, 15295, 15561, 16065, 16095, 17017, 17205, 17255, 17835, 17955, 18837, 19019, 19065
OFFSET
1,1
COMMENTS
2145,752,2273;2145,1568,2657;;3315,812,3413;3315,2852,4373;
LINKS
MATHEMATICA
lst1={}; lst={0}; Do[Do[If[GCD[a, b]==1, c=Sqrt[a^2+b^2]; If[IntegerQ[c], AppendTo[lst, b]; L=Length[lst]; If[lst[[L]]==lst[[L-1]]&&OddQ[lst[[L]]], Print[lst[[L]]]; AppendTo[lst1, lst[[L]]]]]], {a, b-1, 3, -1}], {b, 4, 4*7!}]; lst1
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(20) - a(36) Robert G. Wilson v, Jul 12 2010
STATUS
approved