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A366603 as a simple table

na(n)
14
224
3104
4432
51536
68736
722528
8111456
9473600
101999872
115909760
1238054016
1389522176
14462274560
152015330304
167304603328
1722907191296
18166290432000
19366506672128
202220409884672
217645340651520
2229833839544320
2395821839806976
24648494317126656

[4,24,104,432,1536,8736,22528,111456,473600,
 1999872,5909760,38054016,89522176,462274560,
 2015330304,7304603328,22907191296,166290432000,
 366506672128,2220409884672,7645340651520,
 29833839544320,95821839806976,648494317126656]