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A267450 as a simple table

na(n)
01
14
218
372
4294
51168
64686
718728
874886
9299632
101198414
114793384
1219174278
1376696176
14306782542
151227136040
164908536710
1719634129520
1878536565070
19314146200616
201256584663942
215026339031664
2220105355649358
2380421421489192
24321685688963974

[1,4,18,72,294,1168,4686,18728,74886,299632,
 1198414,4793384,19174278,76696176,306782542,
 1227136040,4908536710,19634129520,78536565070,
 314146200616,1256584663942,5026339031664,
 20105355649358,80421421489192,321685688963974]