A243041 - OEIS

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A243041 as a simple table

n	a(n)
1	14
2	47
3	179
4	759
5	3516
6	17463
7	91409
8	496910
9	2773138
10	15753844
11	90561096
12	524666847
13	3055232669
14	17850654182
15	104522388599
16	612887812613
17	3597118277921
18	21124711727370
19	124107523783819
20	729318556095320

[14,47,179,759,3516,17463,91409,496910,2773138, 15753844,90561096,524666847,3055232669, 17850654182,104522388599,612887812613, 3597118277921,21124711727370,124107523783819, 729318556095320]