Indices of A052344 (ways to write n as sum of two nonzero triangular numbers) where record values are reached.

A053587

Indices of A052344 (ways to write n as sum of two nonzero triangular numbers) where record values are reached.

Terms

    a(0) =2a(1) =16a(2) =81a(3) =471a(4) =1056a(5) =1381a(6) =6906a(7) =17956a(8) =34531a(9) =40056a(10) =200281a(11) =520731a(12) =1001406a(13) =1482081a(14) =7410406a(15) =19267056a(16) =37052031a(17) =60765331a(18) =303826656a(19) =789949306a(20) =1519133281a(21) =3220562556a(22) =13429138206a(23) =16102812781a(24) =41867313231a(25) =80514063906a(26) =196454315931a(27) =711744324931

External references