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A041825 as a simple table

na(n)
01
11
25
321
447
5115
6162
7601
87975
98576
1016551
1125127
1241678
13566941
141742501
152309442
166361385
1715032212
1866490233
19280993144
20347483377
2114180328224
2214527811601
2372291574628
24303694110113
25679679794854
261663053699821
272342733494675
288691254183846

[1,1,5,21,47,115,162,601,7975,8576,16551,25127,
 41678,566941,1742501,2309442,6361385,15032212,
 66490233,280993144,347483377,14180328224,
 14527811601,72291574628,303694110113,679679794854,
 1663053699821,2342733494675,8691254183846]