a(n) = smallest number m which can be obtained in n ways by subtracting twice a triangular number from a perfect square.

A078714

a(n) = smallest number m which can be obtained in n ways by subtracting twice a triangular number from a perfect square.

Terms

    a(0) =1a(1) =4a(2) =16a(3) =34a(4) =142a(5) =79a(6) =1276a(7) =289a(8) =394a(9) =709a(10) =103336a(11) =1024a(12) =930022a(13) =6379a(14) =3544a(15) =2599a(16) =75331762a(17) =5119a(18) =677985856a(19) =9214a(20) =31894a(21) =516679a(22) =54916854316a(23) =12994a(24) =88594a(25) =4650109a(26) =30319a(27) =82924a(29) =46069a(31) =33784

External references