A235498 - cp's OEIS frontend

A235498 For k in {2,3,...,9} define a sequence as follows: a(0)=0; for n>=0, a(n+1)=a(n)+1, unless a(n) ends in k, in which case a(n+1) is obtained by replacing the last digit of a(n) with the digit(s) of k^2. This is k(2).

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	14
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	26
24	27
25	28
26	29
27	30
28	31
29	32
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	41
38	42
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	54
49	55
50	56
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	68
62	69
63	70
64	71
65	72
66	74

[0, 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 70, 71, 72, 74]

cp's OEIS Frontend

A235498 For k in {2,3,...,9} define a sequence as follows: a(0)=0; for n>=0, a(n+1)=a(n)+1, unless a(n) ends in k, in which case a(n+1) is obtained by replacing the last digit of a(n) with the digit(s) of k^2. This is k(2).

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	14
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	26
24	27
25	28
26	29
27	30
28	31
29	32
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	41
38	42
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	54
49	55
50	56
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	68
62	69
63	70
64	71
65	72
66	74

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	14
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	26
24	27
25	28
26	29
27	30
28	31
29	32
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	41
38	42
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	54
49	55
50	56
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	68
62	69
63	70
64	71
65	72
66	74

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	14
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	26
24	27
25	28
26	29
27	30
28	31
29	32
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	41
38	42
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	52
48	54
49	55
50	56
51	57
52	58
53	59
54	60
55	61
56	62
57	64
58	65
59	66
60	67
61	68
62	69
63	70
64	71
65	72
66	74