Smallest triangular number with exactly n anagrams that are triangular numbers.

Terms

a(0) =0a(1) =120a(2) =4095a(3) =36046a(4) =147153a(5) =219453a(6) =1021735a(7) =1053426a(8) =104653a(9) =10149765a(10) =10294453a(11) =10348975a(12) =100486576a(13) =10725396a(14) =103428153a(15) =20759346a(16) =12347965a(17) =100174935a(18) =129548656a(19) =102968425a(20) =104697685a(21) =102925378a(22) =160249753a(23) =123865930a(24) =126047503a(25) =102538360a(26) =224073865