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A096856 as a simple table

na(n)
01
13
27
312
431
542
6124
7224
8511
9847
101953
112688
1212264
1318816
1429127
1572540
16131071
17195048
18558523
191077440
203164112
214552020
2210890040
2310342080
2454525848
2573260781
26155671040
27318848400
281080311232
29964580240
303070642080
314340711424
3213722819600
3319039027200

[1,3,7,12,31,42,124,224,511,847,1953,2688,12264,
 18816,29127,72540,131071,195048,558523,1077440,
 3164112,4552020,10890040,10342080,54525848,
 73260781,155671040,318848400,1080311232,964580240,
 3070642080,4340711424,13722819600,19039027200]