A074993 - cp's OEIS frontend

A074993 a(n) = floor((concatenation of n, n+1)/2).

n	a(n)
0	0
1	6
2	11
3	17
4	22
5	28
6	33
7	39
8	44
9	455
10	505
11	556
12	606
13	657
14	707
15	758
16	808
17	859
18	909
19	960
20	1010
21	1061
22	1111
23	1162
24	1212
25	1263
26	1313
27	1364
28	1414
29	1465
30	1515
31	1566
32	1616
33	1667
34	1717
35	1768
36	1818
37	1869
38	1919
39	1970
40	2020
41	2071
42	2121
43	2172
44	2222
45	2273
46	2323
47	2374

[0, 6, 11, 17, 22, 28, 33, 39, 44, 455, 505, 556, 606, 657, 707, 758, 808, 859, 909, 960, 1010, 1061, 1111, 1162, 1212, 1263, 1313, 1364, 1414, 1465, 1515, 1566, 1616, 1667, 1717, 1768, 1818, 1869, 1919, 1970, 2020, 2071, 2121, 2172, 2222, 2273, 2323, 2374]

cp's OEIS Frontend

A074993 a(n) = floor((concatenation of n, n+1)/2).

Table of values

List of values