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A329275 as a simple table

na(n)
01
12
25
314
440
5116
6336
7976
82835
98238
1023940
1169580
12202235
13587822
141708606
154966420
1614436034
1741961830
18121972548
19354544354
201030574824
212995634338
228707595956
2325310916258
2473572844430
25213858876100
26621637274730
271806952922994
285252386090589
2915267448253302

[1,2,5,14,40,116,336,976,2835,8238,23940,69580,
 202235,587822,1708606,4966420,14436034,41961830,
 121972548,354544354,1030574824,2995634338,
 8707595956,25310916258,73572844430,213858876100,
 621637274730,1806952922994,5252386090589,
 15267448253302]