A339776 - cp's OEIS frontend

A339776 Numbers m such that tau(m) = tau(m + 1) - 1 = tau(m + 2), where tau(k) = the number of divisors of k (A000005).

n	a(n)
1	3
2	252003
3	293763
4	770883
5	1444803
6	2630883
7	6543363
8	8421603
9	9375843
10	18992163
11	19731363
12	21883683
13	22108803
14	25786083
15	25989603
16	32512803
17	35259843
18	48972003
19	98049603
20	101566083
21	132204003
22	155201763
23	160224963
24	162766563
25	187197123
26	208455843
27	291658083

[3, 252003, 293763, 770883, 1444803, 2630883, 6543363, 8421603, 9375843, 18992163, 19731363, 21883683, 22108803, 25786083, 25989603, 32512803, 35259843, 48972003, 98049603, 101566083, 132204003, 155201763, 160224963, 162766563, 187197123, 208455843, 291658083]

cp's OEIS Frontend

A339776 Numbers m such that tau(m) = tau(m + 1) - 1 = tau(m + 2), where tau(k) = the number of divisors of k (A000005).

Table of values

List of values