login

A025253 as a simple table

na(n)
10
22
31
40
52
61
74
86
910
1024
1136
1285
13152
14310
15638
161232
172620
185194
1910840
2022332
2146004
2296528
23199816
24420365
25880112
261851366
273908854
288245536
2917482220
3037049662
3178746776
32167602164
33357127116
34762506640
351629288824
363487128706
377470956240

[0,2,1,0,2,1,4,6,10,24,36,85,152,310,638,1232,
 2620,5194,10840,22332,46004,96528,199816,420365,
 880112,1851366,3908854,8245536,17482220,37049662,
 78746776,167602164,357127116,762506640,1629288824,
 3487128706,7470956240]