A053392 - cp's OEIS frontend

A053392 a(n) is the concatenation of the sums of every pair of consecutive digits of n (with a(n) = 0 for 0 <= n <= 9).

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	2
21	3
22	4
23	5
24	6
25	7
26	8
27	9
28	10
29	11
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	4
41	5
42	6
43	7
44	8
45	9
46	10
47	11
48	12
49	13
50	5
51	6
52	7
53	8
54	9
55	10
56	11
57	12
58	13
59	14
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	13
68	14
69	15
70	7
71	8
72	9
73	10
74	11
75	12
76	13
77	14
78	15
79	16
80	8
81	9
82	10
83	11
84	12
85	13
86	14
87	15
88	16
89	17
90	9
91	10
92	11
93	12
94	13
95	14
96	15
97	16
98	17
99	18
100	10
101	11
102	12
103	13
104	14
105	15
106	16
107	17
108	18
109	19
110	21
111	22
112	23
113	24
114	25
115	26
116	27
117	28
118	29
119	210

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 210]

cp's OEIS Frontend

A053392 a(n) is the concatenation of the sums of every pair of consecutive digits of n (with a(n) = 0 for 0 <= n <= 9).

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	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	2
21	3
22	4
23	5
24	6
25	7
26	8
27	9
28	10
29	11
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	4
41	5
42	6
43	7
44	8
45	9
46	10
47	11
48	12
49	13
50	5
51	6
52	7
53	8
54	9
55	10
56	11
57	12
58	13
59	14
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	13
68	14
69	15
70	7
71	8
72	9
73	10
74	11
75	12
76	13
77	14
78	15
79	16
80	8
81	9
82	10
83	11
84	12
85	13
86	14
87	15
88	16
89	17
90	9
91	10
92	11
93	12
94	13
95	14
96	15
97	16
98	17
99	18
100	10
101	11
102	12
103	13
104	14
105	15
106	16
107	17
108	18
109	19
110	21
111	22
112	23
113	24
114	25
115	26
116	27
117	28
118	29
119	210

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	2
21	3
22	4
23	5
24	6
25	7
26	8
27	9
28	10
29	11
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	4
41	5
42	6
43	7
44	8
45	9
46	10
47	11
48	12
49	13
50	5
51	6
52	7
53	8
54	9
55	10
56	11
57	12
58	13
59	14
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	13
68	14
69	15
70	7
71	8
72	9
73	10
74	11
75	12
76	13
77	14
78	15
79	16
80	8
81	9
82	10
83	11
84	12
85	13
86	14
87	15
88	16
89	17
90	9
91	10
92	11
93	12
94	13
95	14
96	15
97	16
98	17
99	18
100	10
101	11
102	12
103	13
104	14
105	15
106	16
107	17
108	18
109	19
110	21
111	22
112	23
113	24
114	25
115	26
116	27
117	28
118	29
119	210

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	2
21	3
22	4
23	5
24	6
25	7
26	8
27	9
28	10
29	11
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	4
41	5
42	6
43	7
44	8
45	9
46	10
47	11
48	12
49	13
50	5
51	6
52	7
53	8
54	9
55	10
56	11
57	12
58	13
59	14
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	13
68	14
69	15
70	7
71	8
72	9
73	10
74	11
75	12
76	13
77	14
78	15
79	16
80	8
81	9
82	10
83	11
84	12
85	13
86	14
87	15
88	16
89	17
90	9
91	10
92	11
93	12
94	13
95	14
96	15
97	16
98	17
99	18
100	10
101	11
102	12
103	13
104	14
105	15
106	16
107	17
108	18
109	19
110	21
111	22
112	23
113	24
114	25
115	26
116	27
117	28
118	29
119	210