Net increase in number of ON toothpicks at generation n in A151885.

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =6a(5) =-6a(6) =10a(7) =2a(8) =22a(9) =-34a(10) =10a(11) =10a(12) =30a(13) =-38a(14) =34a(15) =10a(16) =78a(17) =-134a(18) =10a(19) =10a(20) =30a(21) =-30a(22) =50a(23) =10a(24) =110a(25) =-178a(26) =34a(27) =34a(28) =102a(29) =-126