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A237631型作为一个简单的表

n个a(n)
1260
2636
1220
42356
54500
68594
716448
831672
960362
10116180
11223768
12429680
13822032
141584164
153047968
165848520
1711216480
1821603248
1941526472
2079692176
21153032384
22294531296
23565871200
241086330032
252087379872
264014989408

[260,636,1220,2356,4500,8594,16448,31672,60362,116180,223768,429680,822032,1584164,3047968,5848520,11216480,21603248,41526472,79692176,153032384,294531296,565871200,1086330032,2087379872,4014989408]