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A268414 as a simple table

na(n)
01
13
211
349
4237
51175
65863
729301
8146489
9732427
103662115
1118310553
1291552741
13457763679
142288818367
1511444091805
1657220458993
17286102294931
181430511474619
197152557373057
2035762786865245
21178813934326183
22894069671630871
234470348358154309
2422351741790771497
25111758708953857435

[1,3,11,49,237,1175,5863,29301,146489,732427,
 3662115,18310553,91552741,457763679,2288818367,
 11444091805,57220458993,286102294931,
 1430511474619,7152557373057,35762786865245,
 178813934326183,894069671630871,4470348358154309,
 22351741790771497,111758708953857435]