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A148465 as a simple table

na(n)
01
11
22
36
419
561
6216
7789
82960
911439
1045114
11180779
12735676
133030120
1412613335
1553004791
16224550436
17958227715
184115750849
1917780103175
2077214818728
21336921319180
221476478558914
236495954222412
2428683344656932
25127075652153227
26564718190262450
272516734088100503
2811245821481990912

[1,1,2,6,19,61,216,789,2960,11439,45114,180779,
 735676,3030120,12613335,53004791,224550436,
 958227715,4115750849,17780103175,77214818728,
 336921319180,1476478558914,6495954222412,
 28683344656932,127075652153227,564718190262450,
 2516734088100503,11245821481990912]