A084855 - cp's OEIS frontend

A084855 Triangular array, read by rows: T(n,k) = concatenated decimal representations of k and n, 1<=k<=n.

n	a(n)
1	11
2	12
3	22
4	13
5	23
6	33
7	14
8	24
9	34
10	44
11	15
12	25
13	35
14	45
15	55
16	16
17	26
18	36
19	46
20	56
21	66
22	17
23	27
24	37
25	47
26	57
27	67
28	77
29	18
30	28
31	38
32	48
33	58
34	68
35	78
36	88
37	19
38	29
39	39
40	49
41	59
42	69
43	79
44	89
45	99
46	110
47	210
48	310
49	410
50	510
51	610
52	710
53	810
54	910
55	1010
56	111
57	211
58	311
59	411
60	511
61	611
62	711
63	811
64	911
65	1011
66	1111

[11, 12, 22, 13, 23, 33, 14, 24, 34, 44, 15, 25, 35, 45, 55, 16, 26, 36, 46, 56, 66, 17, 27, 37, 47, 57, 67, 77, 18, 28, 38, 48, 58, 68, 78, 88, 19, 29, 39, 49, 59, 69, 79, 89, 99, 110, 210, 310, 410, 510, 610, 710, 810, 910, 1010, 111, 211, 311, 411, 511, 611, 711, 811, 911, 1011, 1111]

cp's OEIS Frontend

A084855 Triangular array, read by rows: T(n,k) = concatenated decimal representations of k and n, 1<=k<=n.

Table of values

List of values