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A108870 as a simple table

na(n)
01
14
29
320
446
5103
6233
7525
81182
92660
105985
1113467
1230301
1368178
14153401
15345152
16776591
171747331
183931496
198845866
2019903198
2144782196
22100759940
23226709866
24510097200
251147718700
262582367076
275810325920
2813073233321
2929414774973

[1,4,9,20,46,103,233,525,1182,2660,5985,13467,
 30301,68178,153401,345152,776591,1747331,3931496,
 8845866,19903198,44782196,100759940,226709866,
 510097200,1147718700,2582367076,5810325920,
 13073233321,29414774973]