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A151398 as a simple table

na(n)
01
11
22
34
411
526
684
7220
8742
92070
107197
1120922
1274432
13223010
14805708
152470392
169027576
1728187178
18103920850
19329292906
201222553336
213921481206
2214641490905
2347450199350
24177987479208
25581924348298
262191300828800
277219235616842
2827274167110054
2990456438360198
30342703672881624
311143317551856284

[1,1,2,4,11,26,84,220,742,2070,7197,20922,74432,
 223010,805708,2470392,9027576,28187178,103920850,
 329292906,1222553336,3921481206,14641490905,
 47450199350,177987479208,581924348298,
 2191300828800,7219235616842,27274167110054,
 90456438360198,342703672881624,1143317551856284]