A037159 - cp's OEIS frontend

A037159 Consider the trajectory of n under the iteration of a map which sends x to 3x - sigma(x) if this is >= 0; otherwise the iteration stops. The sequence gives values of n which eventually reach 0.

n	a(n)
1	82
2	120
3	280
4	672
5	1464
6	3048
7	4964
8	5568
9	5688
10	7666
11	8969
12	9176
13	9288
14	9514
15	9616
16	9706
17	10132
18	10186
19	10232
20	10478
21	11496
22	11884
23	11914
24	12232
25	12320
26	12820
27	13248
28	13842
29	13854
30	13866
31	14848
32	15076
33	15098
34	15196
35	15364
36	15586
37	15892

[82, 120, 280, 672, 1464, 3048, 4964, 5568, 5688, 7666, 8969, 9176, 9288, 9514, 9616, 9706, 10132, 10186, 10232, 10478, 11496, 11884, 11914, 12232, 12320, 12820, 13248, 13842, 13854, 13866, 14848, 15076, 15098, 15196, 15364, 15586, 15892]

cp's OEIS Frontend

A037159 Consider the trajectory of n under the iteration of a map which sends x to 3x - sigma(x) if this is >= 0; otherwise the iteration stops. The sequence gives values of n which eventually reach 0.

Table of values

List of values