A223435 - OEIS

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A223435 as a simple table

n	a(n)
1	144
2	1376
3	14112
4	147520
5	1562176
6	16693920
7	179532768
8	1939216640
9	21008925952
10	228065409888
11	2479179661472
12	26974655289536
13	293678536506304
14	3198664399776288
15	34848651790913888
16	379738193353123456

[144,1376,14112,147520,1562176,16693920,179532768, 1939216640,21008925952,228065409888,2479179661472, 26974655289536,293678536506304,3198664399776288, 34848651790913888,379738193353123456]