A126022 - cp's OEIS frontend

A126022 a(1)=1; for n>1, a(n) = a(n-1) + (the number of terms of {a(k)} which are <= n).

n	a(n)
1	1
2	2
3	4
4	7
5	10
6	13
7	17
8	21
9	25
10	30
11	35
12	40
13	46
14	52
15	58
16	64
17	71
18	78
19	85
20	92
21	100
22	108
23	116
24	124
25	133
26	142
27	151
28	160
29	169
30	179
31	189
32	199
33	209
34	219
35	230
36	241
37	252
38	263
39	274
40	286
41	298
42	310
43	322
44	334
45	346
46	359
47	372
48	385
49	398
50	411
51	424
52	438
53	452
54	466
55	480
56	494
57	508

[1, 2, 4, 7, 10, 13, 17, 21, 25, 30, 35, 40, 46, 52, 58, 64, 71, 78, 85, 92, 100, 108, 116, 124, 133, 142, 151, 160, 169, 179, 189, 199, 209, 219, 230, 241, 252, 263, 274, 286, 298, 310, 322, 334, 346, 359, 372, 385, 398, 411, 424, 438, 452, 466, 480, 494, 508]

cp's OEIS Frontend

A126022 a(1)=1; for n>1, a(n) = a(n-1) + (the number of terms of {a(k)} which are <= n).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	7
5	10
6	13
7	17
8	21
9	25
10	30
11	35
12	40
13	46
14	52
15	58
16	64
17	71
18	78
19	85
20	92
21	100
22	108
23	116
24	124
25	133
26	142
27	151
28	160
29	169
30	179
31	189
32	199
33	209
34	219
35	230
36	241
37	252
38	263
39	274
40	286
41	298
42	310
43	322
44	334
45	346
46	359
47	372
48	385
49	398
50	411
51	424
52	438
53	452
54	466
55	480
56	494
57	508

n	a(n)
1	1
2	2
3	4
4	7
5	10
6	13
7	17
8	21
9	25
10	30
11	35
12	40
13	46
14	52
15	58
16	64
17	71
18	78
19	85
20	92
21	100
22	108
23	116
24	124
25	133
26	142
27	151
28	160
29	169
30	179
31	189
32	199
33	209
34	219
35	230
36	241
37	252
38	263
39	274
40	286
41	298
42	310
43	322
44	334
45	346
46	359
47	372
48	385
49	398
50	411
51	424
52	438
53	452
54	466
55	480
56	494
57	508

n	a(n)
1	1
2	2
3	4
4	7
5	10
6	13
7	17
8	21
9	25
10	30
11	35
12	40
13	46
14	52
15	58
16	64
17	71
18	78
19	85
20	92
21	100
22	108
23	116
24	124
25	133
26	142
27	151
28	160
29	169
30	179
31	189
32	199
33	209
34	219
35	230
36	241
37	252
38	263
39	274
40	286
41	298
42	310
43	322
44	334
45	346
46	359
47	372
48	385
49	398
50	411
51	424
52	438
53	452
54	466
55	480
56	494
57	508