A251777 - OEIS

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A251777 as a simple table

n	a(n)
1	27242
2	430730
3	2861058
4	16580426
5	247384810
6	1752287522
7	10300749962
8	154175434186
9	1105860243970
10	6575712526154
11	98212453983210
12	709383209384994
13	4239352141271690
14	63255463614004042
15	458400029991568130

[27242,430730,2861058,16580426,247384810, 1752287522,10300749962,154175434186,1105860243970, 6575712526154,98212453983210,709383209384994, 4239352141271690,63255463614004042, 458400029991568130]