login
First diagonal of A027517.
0

%I #11 Nov 07 2019 05:14:32

%S 1,1,4,9,450,14700,23716,11025,5929,3025,27225,14400,42688800,

%T 3870830656,9109748025,5288198400,1599516800,1903751424,57588480576,

%U 12696964358400,7957646064900,138654025034817600,2784183915021140193408,1052240403785569432896

%N First diagonal of A027517.

%F Numerators of sequence a[n, n] in A=(b[i, j])^3 where b[i, j] = A008284(i, j) / Partitions(i) if j<=i, 0 if j>i.

%K nonn

%O 1,3

%A _Olivier GĂ©rard_

%E More terms from _Sean A. Irvine_, Nov 06 2019