A190014 - cp's OEIS frontend

A190014 a(0)=0, a(1)=1, if n = (n-1)', then a(n)=0 otherwise a(n)=2*a((n-1)'), where n' is the arithmetic derivative of n.

n	a(n)
0	0
1	1
2	0
3	2
4	2
5	4
6	2
7	8
8	2
9	4
10	4
11	16
12	2
13	8
14	2
15	8
16	4
17	4
18	2
19	8
20	2
21	4
22	8
23	16
24	2
25	4
26	8
27	16
28	32
29	4
30	2
31	0
32	2
33	4
34	4
35	16
36	4
37	4
38	2
39	8
40	8
41	4
42	2
43	8
44	2
45	4
46	16
47	8
48	2
49	32
50	4
51	8
52	4
53	16
54	2
55	512
56	8
57	8
58	16
59	0
60	2
61	8
62	2
63	8
64	16
65	4
66	4
67	16
68	2
69	4
70	16
71	0
72	2
73	16
74	2
75	16
76	1024
77	4
78	4
79	0
80	2
81	256
82	4
83	16
84	2
85	8
86	16
87	8
88	4
89	4
90	2
91	32
92	4
93	8
94	8
95	64
96	4
97	4
98	2
99	8
100	32
101	4

[0, 1, 0, 2, 2, 4, 2, 8, 2, 4, 4, 16, 2, 8, 2, 8, 4, 4, 2, 8, 2, 4, 8, 16, 2, 4, 8, 16, 32, 4, 2, 0, 2, 4, 4, 16, 4, 4, 2, 8, 8, 4, 2, 8, 2, 4, 16, 8, 2, 32, 4, 8, 4, 16, 2, 512, 8, 8, 16, 0, 2, 8, 2, 8, 16, 4, 4, 16, 2, 4, 16, 0, 2, 16, 2, 16, 1024, 4, 4, 0, 2, 256, 4, 16, 2, 8, 16, 8, 4, 4, 2, 32, 4, 8, 8, 64, 4, 4, 2, 8, 32, 4]

cp's OEIS Frontend

A190014 a(0)=0, a(1)=1, if n = (n-1)', then a(n)=0 otherwise a(n)=2*a((n-1)'), where n' is the arithmetic derivative of n.

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