A328846 - cp's OEIS frontend

A328846 The second Fibonacci based variant of arithmetic derivative: a(p) = A000045(2+A000720(p)) for prime p, a(uv) = a(u)v + u*a(v), with a(0) = a(1) = 0. Also called PrimePi-Fibonacci variant of the arithmetic derivative.

n	a(n)
0	0
1	0
2	2
3	3
4	8
5	5
6	12
7	8
8	24
9	18
10	20
11	13
12	36
13	21
14	30
15	30
16	64
17	34
18	54
19	55
20	60
21	45
22	48
23	89
24	96
25	50
26	68
27	81
28	88
29	144
30	90
31	233
32	160
33	72
34	102
35	75
36	144
37	377
38	148
39	102
40	160
41	610
42	132
43	987
44	140
45	135
46	224
47	1597
48	240
49	112
50	150
51	153
52	188
53	2584
54	216
55	120
56	232
57	222
58	346
59	4181
60	240
61	6765
62	528
63	198
64	384
65	170
66	210
67	10946
68	272
69	336
70	220
71	17711
72	360

[0, 0, 2, 3, 8, 5, 12, 8, 24, 18, 20, 13, 36, 21, 30, 30, 64, 34, 54, 55, 60, 45, 48, 89, 96, 50, 68, 81, 88, 144, 90, 233, 160, 72, 102, 75, 144, 377, 148, 102, 160, 610, 132, 987, 140, 135, 224, 1597, 240, 112, 150, 153, 188, 2584, 216, 120, 232, 222, 346, 4181, 240, 6765, 528, 198, 384, 170, 210, 10946, 272, 336, 220, 17711, 360]

cp's OEIS Frontend

A328846 The second Fibonacci based variant of arithmetic derivative: a(p) = A000045(2+A000720(p)) for prime p, a(uv) = a(u)v + u*a(v), with a(0) = a(1) = 0. Also called PrimePi-Fibonacci variant of the arithmetic derivative.

Table of values

List of values

cp's OEIS Frontend

A328846 The second Fibonacci based variant of arithmetic derivative: a(p) = A000045(2+A000720(p)) for prime p, a(u*v) = a(u)*v + u*a(v), with a(0) = a(1) = 0. Also called PrimePi-Fibonacci variant of the arithmetic derivative.

Table of values

List of values

A328846 The second Fibonacci based variant of arithmetic derivative: a(p) = A000045(2+A000720(p)) for prime p, a(uv) = a(u)v + u*a(v), with a(0) = a(1) = 0. Also called PrimePi-Fibonacci variant of the arithmetic derivative.