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A360730 as a simple table

na(n)
01
11
24
328
4272
53368
650768
7902397
818481408
9428556075
1011099001600
11317544062217
129946366838784
13338537433281448
1412441407233436672
15491002325860132371
1620710640842719301632
17929821866165431838038
1844270378887441746923520

[1,1,4,28,272,3368,50768,902397,18481408,
 428556075,11099001600,317544062217,9946366838784,
 338537433281448,12441407233436672,
 491002325860132371,20710640842719301632,
 929821866165431838038,44270378887441746923520]