A116116 - OEIS

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A116116 as a simple table

n	a(n)
1	21
2	30
3	902406
4	959721
5	6040059046
6	6242406405
7	9842410005
8	9900249006
9	15033519988494
10	17250863148969
11	22499666270469
12	27632040031654
13	34182546327286
14	37487353123861
15	52213551379230
16	74230108225630

[21,30,902406,959721,6040059046,6242406405, 9842410005,9900249006,15033519988494, 17250863148969,22499666270469,27632040031654, 34182546327286,37487353123861,52213551379230, 74230108225630]