A320767 - cp's OEIS frontend

A320767 Inverse Euler transform applied once to {1,-1,0,0,0,...}, twice to {1,0,0,0,0,...}, or three times to {1,1,1,1,1,...}.

n	a(n)
0	1
1	1
2	-2
3	1
4	-1
5	2
6	-3
7	4
8	-5
9	8
10	-13
11	18
12	-25
13	40
14	-62
15	90
16	-135
17	210
18	-324
19	492
20	-750
21	1164
22	-1809
23	2786
24	-4305
25	6710
26	-10460
27	16264
28	-25350
29	39650
30	-62057
31	97108
32	-152145
33	238818
34	-375165
35	589520
36	-927200
37	1459960
38	-2300346
39	3626200
40	-5720274
41	9030450

[1, 1, -2, 1, -1, 2, -3, 4, -5, 8, -13, 18, -25, 40, -62, 90, -135, 210, -324, 492, -750, 1164, -1809, 2786, -4305, 6710, -10460, 16264, -25350, 39650, -62057, 97108, -152145, 238818, -375165, 589520, -927200, 1459960, -2300346, 3626200, -5720274, 9030450]

cp's OEIS Frontend

A320767 Inverse Euler transform applied once to {1,-1,0,0,0,...}, twice to {1,0,0,0,0,...}, or three times to {1,1,1,1,1,...}.

Table of values

List of values