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A260655 as a simple table

n a(n)
0 1
1 18
2 405
3 10206
4 275562
5 7794468
6 227988189
7 6839645670
8 209293157502
9 6507114533244
10 204974107797186
11 6527636971387308
12 209816902651734900
13 6798067645916210760
14 221786956948016376045
15 7279830704529008107830
16 240234413249457267558390
17 7965667386692530450620300

[1,18,405,10206,275562,7794468,227988189,
 6839645670,209293157502,6507114533244,
 204974107797186,6527636971387308,
 209816902651734900,6798067645916210760,
 221786956948016376045,7279830704529008107830,
 240234413249457267558390,
 7965667386692530450620300]

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Last modified May 10 15:26 EDT 2024. Contains 372387 sequences. (Running on oeis4.)