A206049 - OEIS

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A206049 as a simple table

n	a(n)
1	1338
2	20400
3	295392
4	4256868
5	61165512
6	878480541
7	12614174310
8	181122252378
9	2600608213794
10	37340291401455
11	536141282064960
12	7698053759356941
13	110530579472265720
14	1587025853728342719
15	22786914622304193330

[1338,20400,295392,4256868,61165512,878480541, 12614174310,181122252378,2600608213794, 37340291401455,536141282064960,7698053759356941, 110530579472265720,1587025853728342719, 22786914622304193330]