Smallest s for which there are exactly n primitive Pythagorean triangles with perimeter 2s; i.e., smallest s such that A078926(s) = n.

A078927

Smallest s for which there are exactly n primitive Pythagorean triangles with perimeter 2s; i.e., smallest s such that A078926(s) = n.

Terms

    a(0) =6a(1) =858a(2) =7140a(3) =158730a(4) =771342a(5) =3120180a(6) =9699690a(7) =31651620a(8) =119584290a(9) =198843645a(10) =229474245a(11) =406816410a(12) =281291010a(13) =1412220810a(14) =1673196525a(15) =3457939485a(16) =3234846615a(17) =4360010655a(18) =4573403835a(19) =4127218095a(20) =11532931410a(21) =12929686770a(22) =101268227775

External references