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A149373 as a simple table

na(n)
01
11
24
312
446
5174
6703
72888
812148
951924
10224551
11982451
124331352
1319247666
1486027816
15386632310
161745493623
177912474214
1835995573003
19164273095721
20751821506551
213449621370468
2215864629611684
2373113526659709
24337594692984764
251561539606796564
267234504448723448
2733566690644670128

[1,1,4,12,46,174,703,2888,12148,51924,224551,
 982451,4331352,19247666,86027816,386632310,
 1745493623,7912474214,35995573003,164273095721,
 751821506551,3449621370468,15864629611684,
 73113526659709,337594692984764,1561539606796564,
 7234504448723448,33566690644670128]