A151949 - cp's OEIS frontend

A151949 a(n) = image of n under the Kaprekar map n -> (n with digits sorted into descending order) - (n with digits sorted into ascending order).

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	9
11	0
12	9
13	18
14	27
15	36
16	45
17	54
18	63
19	72
20	18
21	9
22	0
23	9
24	18
25	27
26	36
27	45
28	54
29	63
30	27
31	18
32	9
33	0
34	9
35	18
36	27
37	36
38	45
39	54
40	36
41	27
42	18
43	9
44	0
45	9
46	18
47	27
48	36
49	45
50	45
51	36
52	27
53	18
54	9
55	0
56	9
57	18
58	27
59	36
60	54
61	45
62	36
63	27
64	18
65	9
66	0
67	9
68	18
69	27
70	63
71	54
72	45
73	36
74	27
75	18
76	9
77	0
78	9
79	18
80	72
81	63
82	54
83	45
84	36
85	27
86	18
87	9
88	0
89	9
90	81
91	72
92	63
93	54
94	45
95	36
96	27
97	18
98	9
99	0
100	99
101	99
102	198
103	297
104	396
105	495
106	594
107	693
108	792
109	891
110	99
111	0
112	99
113	198
114	297
115	396
116	495
117	594
118	693
119	792

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 9, 18, 27, 36, 45, 54, 63, 72, 18, 9, 0, 9, 18, 27, 36, 45, 54, 63, 27, 18, 9, 0, 9, 18, 27, 36, 45, 54, 36, 27, 18, 9, 0, 9, 18, 27, 36, 45, 45, 36, 27, 18, 9, 0, 9, 18, 27, 36, 54, 45, 36, 27, 18, 9, 0, 9, 18, 27, 63, 54, 45, 36, 27, 18, 9, 0, 9, 18, 72, 63, 54, 45, 36, 27, 18, 9, 0, 9, 81, 72, 63, 54, 45, 36, 27, 18, 9, 0, 99, 99, 198, 297, 396, 495, 594, 693, 792, 891, 99, 0, 99, 198, 297, 396, 495, 594, 693, 792]

cp's OEIS Frontend

A151949 a(n) = image of n under the Kaprekar map n -> (n with digits sorted into descending order) - (n with digits sorted into ascending order).

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	9
11	0
12	9
13	18
14	27
15	36
16	45
17	54
18	63
19	72
20	18
21	9
22	0
23	9
24	18
25	27
26	36
27	45
28	54
29	63
30	27
31	18
32	9
33	0
34	9
35	18
36	27
37	36
38	45
39	54
40	36
41	27
42	18
43	9
44	0
45	9
46	18
47	27
48	36
49	45
50	45
51	36
52	27
53	18
54	9
55	0
56	9
57	18
58	27
59	36
60	54
61	45
62	36
63	27
64	18
65	9
66	0
67	9
68	18
69	27
70	63
71	54
72	45
73	36
74	27
75	18
76	9
77	0
78	9
79	18
80	72
81	63
82	54
83	45
84	36
85	27
86	18
87	9
88	0
89	9
90	81
91	72
92	63
93	54
94	45
95	36
96	27
97	18
98	9
99	0
100	99
101	99
102	198
103	297
104	396
105	495
106	594
107	693
108	792
109	891
110	99
111	0
112	99
113	198
114	297
115	396
116	495
117	594
118	693
119	792

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	9
11	0
12	9
13	18
14	27
15	36
16	45
17	54
18	63
19	72
20	18
21	9
22	0
23	9
24	18
25	27
26	36
27	45
28	54
29	63
30	27
31	18
32	9
33	0
34	9
35	18
36	27
37	36
38	45
39	54
40	36
41	27
42	18
43	9
44	0
45	9
46	18
47	27
48	36
49	45
50	45
51	36
52	27
53	18
54	9
55	0
56	9
57	18
58	27
59	36
60	54
61	45
62	36
63	27
64	18
65	9
66	0
67	9
68	18
69	27
70	63
71	54
72	45
73	36
74	27
75	18
76	9
77	0
78	9
79	18
80	72
81	63
82	54
83	45
84	36
85	27
86	18
87	9
88	0
89	9
90	81
91	72
92	63
93	54
94	45
95	36
96	27
97	18
98	9
99	0
100	99
101	99
102	198
103	297
104	396
105	495
106	594
107	693
108	792
109	891
110	99
111	0
112	99
113	198
114	297
115	396
116	495
117	594
118	693
119	792

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	9
11	0
12	9
13	18
14	27
15	36
16	45
17	54
18	63
19	72
20	18
21	9
22	0
23	9
24	18
25	27
26	36
27	45
28	54
29	63
30	27
31	18
32	9
33	0
34	9
35	18
36	27
37	36
38	45
39	54
40	36
41	27
42	18
43	9
44	0
45	9
46	18
47	27
48	36
49	45
50	45
51	36
52	27
53	18
54	9
55	0
56	9
57	18
58	27
59	36
60	54
61	45
62	36
63	27
64	18
65	9
66	0
67	9
68	18
69	27
70	63
71	54
72	45
73	36
74	27
75	18
76	9
77	0
78	9
79	18
80	72
81	63
82	54
83	45
84	36
85	27
86	18
87	9
88	0
89	9
90	81
91	72
92	63
93	54
94	45
95	36
96	27
97	18
98	9
99	0
100	99
101	99
102	198
103	297
104	396
105	495
106	594
107	693
108	792
109	891
110	99
111	0
112	99
113	198
114	297
115	396
116	495
117	594
118	693
119	792