A143818 - cp's OEIS frontend

A143818 Let R(n) = sum {k = 0..inf} (3k)^n/(3k)! for n = 0,1,2,... . Then the real number R(n) is an integral linear combination of R(0), R(1) and R(2). This sequence gives the coefficients of R(1).

n	a(n)
1	0
2	1
3	0
4	-2
5	-5
6	-5
7	20
8	149
9	552
10	991
11	-3799
12	-49841
13	-299937
14	-1127358
15	-587744
16	34873758
17	380671819
18	2584563448
19	11105613358
20	-2623056379
21	-659822835085
22	-8393151852216
23	-69959106516419
24	-390297675629170
25	-414406919999723

[0, 1, 0, -2, -5, -5, 20, 149, 552, 991, -3799, -49841, -299937, -1127358, -587744, 34873758, 380671819, 2584563448, 11105613358, -2623056379, -659822835085, -8393151852216, -69959106516419, -390297675629170, -414406919999723]

cp's OEIS Frontend

A143818 Let R(n) = sum {k = 0..inf} (3k)^n/(3k)! for n = 0,1,2,... . Then the real number R(n) is an integral linear combination of R(0), R(1) and R(2). This sequence gives the coefficients of R(1).

Table of values

List of values