Difference between numbers of binary bracketings of 0^0^...^0 with n 0's giving the result 1 and those giving the result 0, with conventions that 0^0=1^0=1^1=1, 0^1=0.

A306668

Difference between numbers of binary bracketings of 0^0^...^0 with n 0's giving the result 1 and those giving the result 0, with conventions that 0^0=1^0=1^1=1, 0^1=0.

Terms

    a(0) =0a(1) =-1a(2) =1a(3) =0a(4) =3a(5) =4a(6) =20a(7) =50a(8) =189a(9) =588a(10) =2100a(11) =7116a(12) =25344a(13) =89298a(14) =321178a(15) =1156298a(16) =4206059a(17) =15356796a(18) =56424836a(19) =208137800a(20) =771229684a(21) =2867771004a(22) =10700980956a(23) =40050890172a(24) =150328400292a(25) =565699287186

External references