A379931 - cp's OEIS frontend

A379931 Numbers whose maximum exponent in their prime factorization is the number of runs in their base-10 representation.

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	11
7	12
8	18
9	20
10	22
11	25
12	28
13	33
14	36
15	45
16	49
17	50
18	52
19	55
20	60
21	63
22	66
23	68
24	75
25	76
26	77
27	84
28	90
29	92
30	98
31	100
32	104
33	108
34	111
35	116
36	117
37	120
38	125
39	135
40	136
41	152
42	168
43	184
44	188
45	189
46	216
47	220
48	222
49	225
50	228
51	232
52	244
53	248
54	250
55	264
56	270
57	280
58	296
59	297
60	300
61	312
62	328
63	332
64	338
65	343
66	351

[2, 3, 5, 6, 7, 11, 12, 18, 20, 22, 25, 28, 33, 36, 45, 49, 50, 52, 55, 60, 63, 66, 68, 75, 76, 77, 84, 90, 92, 98, 100, 104, 108, 111, 116, 117, 120, 125, 135, 136, 152, 168, 184, 188, 189, 216, 220, 222, 225, 228, 232, 244, 248, 250, 264, 270, 280, 296, 297, 300, 312, 328, 332, 338, 343, 351]

cp's OEIS Frontend

A379931 Numbers whose maximum exponent in their prime factorization is the number of runs in their base-10 representation.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	11
7	12
8	18
9	20
10	22
11	25
12	28
13	33
14	36
15	45
16	49
17	50
18	52
19	55
20	60
21	63
22	66
23	68
24	75
25	76
26	77
27	84
28	90
29	92
30	98
31	100
32	104
33	108
34	111
35	116
36	117
37	120
38	125
39	135
40	136
41	152
42	168
43	184
44	188
45	189
46	216
47	220
48	222
49	225
50	228
51	232
52	244
53	248
54	250
55	264
56	270
57	280
58	296
59	297
60	300
61	312
62	328
63	332
64	338
65	343
66	351

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	11
7	12
8	18
9	20
10	22
11	25
12	28
13	33
14	36
15	45
16	49
17	50
18	52
19	55
20	60
21	63
22	66
23	68
24	75
25	76
26	77
27	84
28	90
29	92
30	98
31	100
32	104
33	108
34	111
35	116
36	117
37	120
38	125
39	135
40	136
41	152
42	168
43	184
44	188
45	189
46	216
47	220
48	222
49	225
50	228
51	232
52	244
53	248
54	250
55	264
56	270
57	280
58	296
59	297
60	300
61	312
62	328
63	332
64	338
65	343
66	351

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	11
7	12
8	18
9	20
10	22
11	25
12	28
13	33
14	36
15	45
16	49
17	50
18	52
19	55
20	60
21	63
22	66
23	68
24	75
25	76
26	77
27	84
28	90
29	92
30	98
31	100
32	104
33	108
34	111
35	116
36	117
37	120
38	125
39	135
40	136
41	152
42	168
43	184
44	188
45	189
46	216
47	220
48	222
49	225
50	228
51	232
52	244
53	248
54	250
55	264
56	270
57	280
58	296
59	297
60	300
61	312
62	328
63	332
64	338
65	343
66	351