Take pairs (a, b), sorted on a, such that T(a)+T(b)=concatenation of a and b, where T(k) is the k-th triangular number A000217(k). Sequence gives values of b.

A096032

Take pairs (a, b), sorted on a, such that T(a)+T(b)=concatenation of a and b, where T(k) is the k-th triangular number A000217(k). Sequence gives values of b.

Terms

    a(0) =1a(1) =415a(2) =1545a(3) =1726a(4) =2196a(5) =910a(6) =3676a(7) =3846a(8) =910a(9) =5226a(10) =415a(11) =6970a(12) =7171a(13) =8526a(14) =9231a(15) =9300a(16) =9756a(17) =9850a(18) =9880a(19) =44835a(20) =9880a(21) =9850a(22) =9756a(23) =9300a(24) =9231a(25) =52830a(26) =8526a(27) =7171a(28) =6970a(29) =5226

External references