login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A225949 as a simple table

na(n)
27
30
417
523
60
731
80
941
100
1149
1247
130
140
150
1671
170
1873
190
2089
210
2297
2379
240
25103
260
27119
280
29127
300
31113
320
33137
340
350
360
37161
38119
390
40151
410
420
430
44191
450
46199
470
48161
490
50193
510
52217
530
54233
550
56241
57167
580
590
600
61239
620
63263
640
650
660
67287
680
69217
700
71257
720
73289
740
75313
760
77329
780
79337
80223
810
82271
830
84311
850
860
870
88367
890
90383
910
92391

[7,0,17,23,0,31,0,41,0,49,47,0,0,0,71,0,73,0,89,0,
 97,79,0,103,0,119,0,127,0,113,0,137,0,0,0,161,119,
 0,151,0,0,0,191,0,199,0,161,0,193,0,217,0,233,0,
 241,167,0,0,0,239,0,263,0,0,0,287,0,217,0,257,0,
 289,0,313,0,329,0,337,223,0,271,0,311,0,0,0,367,0,
 383,0,391]