A081853 - cp's OEIS frontend

A081853 Consider recurrence b(0) = (2n+1)/2, b(n) = b(n-1)*ceiling(b(n-1)); sequence gives first integer reached.

n	a(n)
1	3
2	60
3	14
4	268065
5	33
6	2093
7	60
8	1204154941925628
9	95
10	13398
11	138
12	701600900
13	189
14	47415
15	248
16	1489788110004539889867929328515560588293
17	315
18	123728
19	390
20	34427225343
21	473
22	268065
23	564
24	19873182780430314444725
25	663
26	512298
27	770
28	467193780498
29	885
30	894443
31	1008

[3, 60, 14, 268065, 33, 2093, 60, 1204154941925628, 95, 13398, 138, 701600900, 189, 47415, 248, 1489788110004539889867929328515560588293, 315, 123728, 390, 34427225343, 473, 268065, 564, 19873182780430314444725, 663, 512298, 770, 467193780498, 885, 894443, 1008]

cp's OEIS Frontend

A081853 Consider recurrence b(0) = (2n+1)/2, b(n) = b(n-1)*ceiling(b(n-1)); sequence gives first integer reached.

Table of values

List of values