A329068 - cp's OEIS frontend

A329068 a(1) = 1; thereafter if the sum of digits of all previous terms up to a(n) is even then a(n+1) = (sum of digits of all previous terms)/2, otherwise a(n+1) = (sum of digits of all previous terms)*3 + 1.

n	a(n)
1	1
2	4
3	16
4	6
5	9
6	82
7	112
8	124
9	24
10	27
11	190
12	220
13	232
14	42
15	45
16	298
17	59
18	66
19	72
20	460
21	490
22	88
23	96
24	622
25	652
26	115
27	712
28	742
29	130
30	132
31	135
32	838
33	149
34	156
35	162
36	1000
37	167
38	174
39	180
40	1108
41	1138
42	196
43	204
44	207
45	1270
46	1300
47	1312
48	222
49	225
50	1378
51	239
52	246
53	252
54	1540
55	1570
56	268
57	276

[1, 4, 16, 6, 9, 82, 112, 124, 24, 27, 190, 220, 232, 42, 45, 298, 59, 66, 72, 460, 490, 88, 96, 622, 652, 115, 712, 742, 130, 132, 135, 838, 149, 156, 162, 1000, 167, 174, 180, 1108, 1138, 196, 204, 207, 1270, 1300, 1312, 222, 225, 1378, 239, 246, 252, 1540, 1570, 268, 276]

cp's OEIS Frontend

A329068 a(1) = 1; thereafter if the sum of digits of all previous terms up to a(n) is even then a(n+1) = (sum of digits of all previous terms)/2, otherwise a(n+1) = (sum of digits of all previous terms)*3 + 1.

Table of values

List of values