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A048285 as a simple table

na(n)
01
11
22
34
49
521
651
7126
8316
9800
102040
115230
1213464
1334773
1490035
15233590
16607011
171579438
184114014
1910725109
2027979704
2173035818
22190737623
23498320800
241302341411
253404552915
268902154847
2723281653957
2860897957049
29159312797657

[1,1,2,4,9,21,51,126,316,800,2040,5230,13464,
 34773,90035,233590,607011,1579438,4114014,
 10725109,27979704,73035818,190737623,498320800,
 1302341411,3404552915,8902154847,23281653957,
 60897957049,159312797657]