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A237867 as a simple table

na(n)
1453088
214144254
3466228162
416245005586
5524709935082
617294230106544
7584650294058044
819984640052472780
9658291169914743394
1021904913699484406216
11739180534221657607156
1225003488678659571481024

[453088,14144254,466228162,16245005586,
 524709935082,17294230106544,584650294058044,
 19984640052472780,658291169914743394,
 21904913699484406216,739180534221657607156,
 25003488678659571481024]