A299312 - OEIS

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A299312 as a simple table

n	a(n)
1	5
2	49
3	199
4	2528
5	24519
6	270346
7	3203795
8	36378590
9	417642077
10	4822467446
11	55430028860
12	637788505212
13	7344874274460
14	84535258092563
15	972944766688659
16	11199796394782944
17	128917185100141603
18	1483879490840389393

[5,49,199,2528,24519,270346,3203795,36378590, 417642077,4822467446,55430028860,637788505212, 7344874274460,84535258092563,972944766688659, 11199796394782944,128917185100141603, 1483879490840389393]