A139097 - cp's OEIS frontend

A139097 Form a sequence of words as follows: look to the left, towards the beginning of the sequence and write down the number of letters you see; repeat; then replace the words with the corresponding numbers.

n	a(n)
0	0
1	4
2	8
3	13
4	21
5	30
6	36
7	45
8	54
9	63
10	73
11	85
12	95
13	105
14	119
15	137
16	158
17	178
18	200
19	211
20	227
21	248
22	268
23	288
24	309
25	325
26	347
27	369
28	390
29	408
30	424
31	445
32	465
33	485
34	506
35	520
36	537
37	559
38	579
39	601
40	614
41	632
42	651
43	669
44	688
45	709
46	725
47	747
48	769
49	790
50	808
51	825
52	847
53	869
54	890
55	908
56	924
57	945
58	965
59	985
60	1006
61	1020
62	1037
63	1059

[0, 4, 8, 13, 21, 30, 36, 45, 54, 63, 73, 85, 95, 105, 119, 137, 158, 178, 200, 211, 227, 248, 268, 288, 309, 325, 347, 369, 390, 408, 424, 445, 465, 485, 506, 520, 537, 559, 579, 601, 614, 632, 651, 669, 688, 709, 725, 747, 769, 790, 808, 825, 847, 869, 890, 908, 924, 945, 965, 985, 1006, 1020, 1037, 1059]

cp's OEIS Frontend

A139097 Form a sequence of words as follows: look to the left, towards the beginning of the sequence and write down the number of letters you see; repeat; then replace the words with the corresponding numbers.

Table of values

List of values