Sequence is {a(5,n)}, where a(m,n) is defined at sequence A111518.

Terms

a(0) =1a(1) =5a(2) =12a(3) =16a(4) =12a(5) =7a(6) =-42a(7) =-242a(8) =-183a(9) =-173a(10) =-5413a(11) =6523a(12) =37329a(13) =-375658a(14) =977204a(15) =4143218a(16) =-53311893a(17) =210488510a(18) =411432809a(19) =-10928034980a(20) =66603480055a(21) =-51520031207