A073720 - cp's OEIS frontend

A073720 Let b(1) = 1, b(k+1) = b(k) - k*trunc(k/b(k)+1), where trunc(x) = floor(x) if x>= 0, trunc(x) = ceiling(x) otherwise. Sequence a(n) gives the successive absolute values taken by b(k).

n	a(n)
1	1
2	11
3	58
4	293
5	1468
6	7343
7	36718
8	183593
9	917968
10	4589843
11	22949218
12	114746093
13	573730468
14	2868652343
15	14343261718
16	71716308593
17	358581542968
18	1792907714843
19	8964538574218
20	44822692871093
21	224113464355468

[1, 11, 58, 293, 1468, 7343, 36718, 183593, 917968, 4589843, 22949218, 114746093, 573730468, 2868652343, 14343261718, 71716308593, 358581542968, 1792907714843, 8964538574218, 44822692871093, 224113464355468]

cp's OEIS Frontend

A073720 Let b(1) = 1, b(k+1) = b(k) - k*trunc(k/b(k)+1), where trunc(x) = floor(x) if x>= 0, trunc(x) = ceiling(x) otherwise. Sequence a(n) gives the successive absolute values taken by b(k).

Table of values

List of values