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A354696 as a simple table

na(n)
01
11
24
310
420
536
664
7120
8240
9499
101060
112314
125252
1312360
1429632
1570992
16168096
17392465
18905940
192075314
204730052
2110735516
2224258688
2354553000
24122076240
25271914499
26603183508
271333268098
282937818900
296455143760
3014146816640
3130929336736
3267473335104

[1,1,4,10,20,36,64,120,240,499,1060,2314,5252,
 12360,29632,70992,168096,392465,905940,2075314,
 4730052,10735516,24258688,54553000,122076240,
 271914499,603183508,1333268098,2937818900,
 6455143760,14146816640,30929336736,67473335104]