Numbers of the form p^2 * (p^2 + 1) where p is in A225856.

Terms

a(0) =20a(1) =90a(2) =650a(3) =14762a(4) =28730a(5) =83810a(6) =130682a(7) =280370a(8) =708122a(9) =924482a(10) =1875530a(11) =4881890a(12) =7893290a(13) =12120842a(14) =13849562a(15) =20155610a(16) =25416722a(17) =28403570a(18) =38956322a(19) =47465210a(20) =62750162a(21) =88538690a(22) =104070602a(23) =112561490a(24) =141170042a(25) =163060130a(26) =260160770a(27) =294517082a(28) =352294130