A256749 - cp's OEIS frontend

A256749 a(n) is the time expressed in seconds starting at 0:00:00 at which the second-hand of a classical three hands clock is passing over any of the two other hands considering the minute-hand turns of 6 degrees in one minute and the hour-hand of 6 degrees in 12 minutes.

n	a(n)
0	0
1	60
2	61
3	120
4	122
5	180
6	183
7	240
8	244
9	300
10	305
11	360
12	366
13	420
14	427
15	480
16	488
17	540
18	549
19	600
20	610
21	660
22	671
23	721
24	732
25	781

[0, 60, 61, 120, 122, 180, 183, 240, 244, 300, 305, 360, 366, 420, 427, 480, 488, 540, 549, 600, 610, 660, 671, 721, 732, 781]