A335291 - cp's OEIS frontend

A335291 Numbers m such that the delta(m) = abs(h(m+1) - h(m)) is smaller than delta(k) for all k < m, where h(m) is the harmonic mean of the divisors of m.

n	a(n)
1	1
2	2
3	4
4	91
5	272
6	20118
7	20712
8	33998
9	42818
10	61695
11	25274946
12	27194929
13	34883654
14	40406622
15	43176318
16	47350866
17	52680050
18	149736013
19	154957034
20	162929406
21	171560153
22	187012577
23	208015843
24	267361097
25	300087726
26	325189758
27	355153181
28	443360633
29	584803578
30	605883413

[1, 2, 4, 91, 272, 20118, 20712, 33998, 42818, 61695, 25274946, 27194929, 34883654, 40406622, 43176318, 47350866, 52680050, 149736013, 154957034, 162929406, 171560153, 187012577, 208015843, 267361097, 300087726, 325189758, 355153181, 443360633, 584803578, 605883413]

cp's OEIS Frontend

A335291 Numbers m such that the delta(m) = abs(h(m+1) - h(m)) is smaller than delta(k) for all k < m, where h(m) is the harmonic mean of the divisors of m.

Table of values

List of values