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”).

A364780 as a simple table

na(n)
01
11
21
32
41
52
64
73
85
96
107
1114
1213
1315
1419
1519
1630
1739
1845
1956
2065
2175
2295
23124
24140
25174
26216
27268
28338
29417
30501
31627
32780
33974
341203
351454
361825
372266
382769
393427
404268
415188
426433
437930
449671
4512000
4614738
4718265
4822642
4927961
5034528
5142523
5252325
5364425

[1,1,1,2,1,2,4,3,5,6,7,14,13,15,19,19,30,39,45,56,
 65,75,95,124,140,174,216,268,338,417,501,627,780,
 974,1203,1454,1825,2266,2769,3427,4268,5188,6433,
 7930,9671,12000,14738,18265,22642,27961,34528,
 42523,52325,64425]