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A177811 as a simple table

na(n)
01
11
21
31
4156190
51
61
7423281535
8423281535
91
101
11473353301060
12114890380658550
13473353301060
141
151
16382493246941965
175119020713873609970
185119020713873609970
19382493246941965
201
211
22269025107855605626
23101955892318210543172751
244179647109945703200884716
25101955892318210543172751
26269025107855605626
271

[1,1,1,1,156190,1,1,423281535,423281535,1,1,
 473353301060,114890380658550,473353301060,1,1,
 382493246941965,5119020713873609970,
 5119020713873609970,382493246941965,1,1,
 269025107855605626,101955892318210543172751,
 4179647109945703200884716,
 101955892318210543172751,269025107855605626,1]