A121718 - cp's OEIS frontend

A121718 Write 0, 1, ..., n in base 3 and add as if they were decimal numbers.

n	a(n)
0	0
1	1
2	3
3	13
4	24
5	36
6	56
7	77
8	99
9	199
10	300
11	402
12	512
13	623
14	735
15	855
16	976
17	1098
18	1298
19	1499
20	1701
21	1911
22	2122
23	2334
24	2554
25	2775
26	2997
27	3997
28	4998
29	6000
30	7010
31	8021
32	9033
33	10053
34	11074
35	12096
36	13196
37	14297
38	15399
39	16509
40	17620
41	18732
42	19852
43	20973
44	22095

[0, 1, 3, 13, 24, 36, 56, 77, 99, 199, 300, 402, 512, 623, 735, 855, 976, 1098, 1298, 1499, 1701, 1911, 2122, 2334, 2554, 2775, 2997, 3997, 4998, 6000, 7010, 8021, 9033, 10053, 11074, 12096, 13196, 14297, 15399, 16509, 17620, 18732, 19852, 20973, 22095]

cp's OEIS Frontend

A121718 Write 0, 1, ..., n in base 3 and add as if they were decimal numbers.

Table of values

List of values