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”).

A214906 as a simple table

na(n)
12
23
32
44
54
62
75
86
96
102
116
129
1314
1414
152
167
1712
1829
1950
2038
212
228
2316
2450
25182
26242
27146
282
299
3020
3188
32458
331802
341682
35578
362
3710
3825
39136
401184
417550
4229162
4313442
442882
452
4611
4730
48209
492490
5031412
51210914
52657722
53134402
5414402
552
5612
5736
58302
595213
60100350

[2,3,2,4,4,2,5,6,6,2,6,9,14,14,2,7,12,29,50,38,2,
 8,16,50,182,242,146,2,9,20,88,458,1802,1682,578,2,
 10,25,136,1184,7550,29162,13442,2882,2,11,30,209,
 2490,31412,210914,657722,134402,14402,2,12,36,302,
 5213,100350]