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A148663 as a simple table

na(n)
01
11
23
36
425
569
6306
7968
84495
915457
1073187
11265886
121276200
134822808
1423356328
1590916036
16443070045
171764876843
188640616651
1935059209106
20172241437579
21709515169465
223495119780527
2314580289703320
2471975955298661
25303483724749584
261500714793344535
276386054657765297
2831622910371957637

[1,1,3,6,25,69,306,968,4495,15457,73187,265886,
 1276200,4822808,23356328,90916036,443070045,
 1764876843,8640616651,35059209106,172241437579,
 709515169465,3495119780527,14580289703320,
 71975955298661,303483724749584,1500714793344535,
 6386054657765297,31622910371957637]