A072830 - cp's OEIS frontend

A072830 Absolute value of 2b(n)-9n, where b(n) = accumulative sum of the greatest digit of n minus the least digit of n (A037904).

n	a(n)
1	9
2	18
3	27
4	36
5	45
6	54
7	63
8	72
9	81
10	88
11	97
12	104
13	109
14	112
15	113
16	112
17	109
18	104
19	97
20	102
21	109
22	118
23	125
24	130
25	133
26	134
27	133
28	130
29	125
30	128
31	133
32	140
33	149
34	156
35	161
36	164
37	165
38	164
39	161
40	162
41	165
42	170
43	177
44	186
45	193
46	198
47	201
48	202
49	201
50	200
51	201
52	204
53	209
54	216

[9, 18, 27, 36, 45, 54, 63, 72, 81, 88, 97, 104, 109, 112, 113, 112, 109, 104, 97, 102, 109, 118, 125, 130, 133, 134, 133, 130, 125, 128, 133, 140, 149, 156, 161, 164, 165, 164, 161, 162, 165, 170, 177, 186, 193, 198, 201, 202, 201, 200, 201, 204, 209, 216]

cp's OEIS Frontend

A072830 Absolute value of 2b(n)-9n, where b(n) = accumulative sum of the greatest digit of n minus the least digit of n (A037904).

Table of values

List of values

n	a(n)
1	9
2	18
3	27
4	36
5	45
6	54
7	63
8	72
9	81
10	88
11	97
12	104
13	109
14	112
15	113
16	112
17	109
18	104
19	97
20	102
21	109
22	118
23	125
24	130
25	133
26	134
27	133
28	130
29	125
30	128
31	133
32	140
33	149
34	156
35	161
36	164
37	165
38	164
39	161
40	162
41	165
42	170
43	177
44	186
45	193
46	198
47	201
48	202
49	201
50	200
51	201
52	204
53	209
54	216

n	a(n)
1	9
2	18
3	27
4	36
5	45
6	54
7	63
8	72
9	81
10	88
11	97
12	104
13	109
14	112
15	113
16	112
17	109
18	104
19	97
20	102
21	109
22	118
23	125
24	130
25	133
26	134
27	133
28	130
29	125
30	128
31	133
32	140
33	149
34	156
35	161
36	164
37	165
38	164
39	161
40	162
41	165
42	170
43	177
44	186
45	193
46	198
47	201
48	202
49	201
50	200
51	201
52	204
53	209
54	216

cp's OEIS Frontend

A072830 Absolute value of 2*b(n)-9*n, where b(n) = accumulative sum of the greatest digit of n minus the least digit of n (A037904).

Table of values

List of values

A072830 Absolute value of 2b(n)-9n, where b(n) = accumulative sum of the greatest digit of n minus the least digit of n (A037904).

n	a(n)
1	9
2	18
3	27
4	36
5	45
6	54
7	63
8	72
9	81
10	88
11	97
12	104
13	109
14	112
15	113
16	112
17	109
18	104
19	97
20	102
21	109
22	118
23	125
24	130
25	133
26	134
27	133
28	130
29	125
30	128
31	133
32	140
33	149
34	156
35	161
36	164
37	165
38	164
39	161
40	162
41	165
42	170
43	177
44	186
45	193
46	198
47	201
48	202
49	201
50	200
51	201
52	204
53	209
54	216