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A360267 as a simple table

na(n)
01
12
26
320
472
5264
6984
73712
814136
954224
10209200
11810912
123155616
1312320512
1448239232
15189336192
16744722400
172934759360
1811584470336
1945796087680
20181285742592
21718498695424
222850802065152
2311322567705600
2445011437903104
25179088911779328

[1,2,6,20,72,264,984,3712,14136,54224,209200,
 810912,3155616,12320512,48239232,189336192,
 744722400,2934759360,11584470336,45796087680,
 181285742592,718498695424,2850802065152,
 11322567705600,45011437903104,179088911779328]