A028131 - OEIS

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A028131 as a simple table

n	a(n)
0	1
1	26
2	429
3	5746
4	68285
5	751842
6	7859293
7	79189682
8	776807229
9	7469674498
10	70755237917
11	662574315858
12	6150105857533
13	56698559685794
14	519954841569501
15	4748676612377074
16	43230125518942397
17	392566127341918530

[1,26,429,5746,68285,751842,7859293,79189682, 776807229,7469674498,70755237917,662574315858, 6150105857533,56698559685794,519954841569501, 4748676612377074,43230125518942397, 392566127341918530]