Triangle T(m,n) = # { k | concat(mk,nk) has no digit twice or more }, m >= n >= 0.

Terms

a(0) =0a(1) =986409a(2) =0a(3) =438404a(4) =304a(5) =0a(6) =572175a(7) =153a(8) =157a(9) =0a(10) =219202a(11) =197a(12) =124a(13) =97a(14) =0a(15) =109601a(16) =221a(17) =156a(18) =69a(19) =171a(20) =0a(21) =255752a(22) =73a(23) =88a(24) =142a(25) =68a(26) =69a(27) =0a(28) =140515a(29) =129