Regard triangle of rencontres numbers (see A008290) as infinite matrix, compute inverse, read by rows.
A055137
Regard triangle of rencontres numbers (see A008290) as infinite matrix, compute inverse, read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =-1a(4) =0a(5) =1a(6) =-2a(7) =-3a(8) =0a(9) =1a(10) =-3a(11) =-8a(12) =-6a(13) =0a(14) =1a(15) =-4a(16) =-15a(17) =-20a(18) =-10a(19) =0a(20) =1a(21) =-5a(22) =-24a(23) =-45a(24) =-40a(25) =-15a(26) =0a(27) =1a(28) =-6a(29) =-35
External references
- oeis: A055137