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A372371 as a simple table

na(n)
01
11
21
37
425
561
6187
7666
82137
96676
1022001
1173217
12239923
13789517
142624182
158729527
1629026553
1796790606
18323546416
191082566763
203626148425
2112163438539
2240847087821
23137294721676
24461890741843
251555264438186
265240857508017
2717672768973979
2859634361740734

[1,1,1,7,25,61,187,666,2137,6676,22001,73217,
 239923,789517,2624182,8729527,29026553,96790606,
 323546416,1082566763,3626148425,12163438539,
 40847087821,137294721676,461890741843,
 1555264438186,5240857508017,17672768973979,
 59634361740734]