Self-convolution of n-th antidiagonal of the natural number array (so named in the Comments section of A000027).

A387429

Self-convolution of n-th antidiagonal of the natural number array (so named in the Comments section of A000027).

Terms

    a(0) =1a(1) =12a(2) =73a(3) =284a(4) =835a(5) =2036a(6) =4347a(7) =8408a(8) =15069a(9) =25420a(10) =40821a(11) =62932a(12) =93743a(13) =135604a(14) =191255a(15) =263856a(16) =357017a(17) =474828a(18) =621889a(19) =803340a(20) =1024891a(21) =1292852a(22) =1614163a(23) =1996424a(24) =2447925a(25) =2977676a(26) =3595437a(27) =4311748a(28) =5137959a(29) =6086260

External references