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A010948 as a simple table

na(n)
01
132
2496
34960
435960
5201376
6906192
73365856
810518300
928048800
1064512240
11129024480
12225792840
13347373600
14471435600
15565722720
16601080390
17565722720
18471435600
19347373600
20225792840
21129024480
2264512240
2328048800
2410518300
253365856
26906192
27201376

[1,32,496,4960,35960,201376,906192,3365856,
 10518300,28048800,64512240,129024480,225792840,
 347373600,471435600,565722720,601080390,565722720,
 471435600,347373600,225792840,129024480,64512240,
 28048800,10518300,3365856,906192,201376]