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A122570 as a simple table

na(n)
10
22
36
4150
527030
62523490710
77608434000728254870
8199931532107794273605284333428918544790
947758914269546354982683078068829456704164423862093743397580034411621752859030

[0,2,6,150,27030,2523490710,7608434000728254870,
 199931532107794273605284333428918544790,
 47758914269546354982683078068829456704164423862093\
 743397580034411621752859030]