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A227161 as a simple table

na(n)
01
13
28
318
436
566
6113
7183
8283
9421
10606
11848
121158
131548
142031
152621
163333
174183
185188
196366
207736
219318
2211133
2313203
2415551
2518201
2621178
2724508
2828218
2932336
3036891
3141913
3247433
3353483
3460096
3567306
3675148
3783658
3892873
39102831
40113571
41125133

[1,3,8,18,36,66,113,183,283,421,606,848,1158,1548,
 2031,2621,3333,4183,5188,6366,7736,9318,11133,
 13203,15551,18201,21178,24508,28218,32336,36891,
 41913,47433,53483,60096,67306,75148,83658,92873,
 102831,113571,125133]