A248479 - cp's OEIS frontend

A248479 a(1) = 1, a(2) = 3, and from then on alternatively subtract and multiply two previous terms.

n	a(n)
1	1
2	3
3	2
4	6
5	4
6	24
7	20
8	480
9	460
10	220800
11	220340
12	48651072000
13	48650851660
14	2366916086971979520000
15	2366916086923328668340
16	5602291762651594835806920193095352396800000
17	5602291762651594835804553277008429068131660
18	31385672993873913406017018916292673201543291913142263413575757282059524278962688000000

[1, 3, 2, 6, 4, 24, 20, 480, 460, 220800, 220340, 48651072000, 48650851660, 2366916086971979520000, 2366916086923328668340, 5602291762651594835806920193095352396800000, 5602291762651594835804553277008429068131660, 31385672993873913406017018916292673201543291913142263413575757282059524278962688000000]

cp's OEIS Frontend

A248479 a(1) = 1, a(2) = 3, and from then on alternatively subtract and multiply two previous terms.

Table of values

List of values