Lower left-hand y-coordinate for 4 X 4 invisible forest with 0 < x < y.

Terms

a(0) =10199370a(1) =13125369a(2) =13458288a(3) =21374352a(4) =22339875a(5) =29634813a(6) =39738060a(7) =32719728a(8) =42182412a(9) =47211294a(10) =51258282a(11) =53418859a(12) =43209969a(13) =55756413a(14) =48330114a(15) =49362234a(16) =62965329a(17) =52850433a(18) =72584082a(19) =73167345a(20) =73891893a(21) =71088744a(22) =61716444a(23) =66526029a(24) =69342999a(25) =80514873a(26) =71127132