A347598 - cp's OEIS frontend

A347598 a(n) = permanent(T(n)), where T(n) is the tangent matrix defined in A346831 and n >= 1; by convention a(0) = 1.

n	a(n)
0	1
1	0
2	-1
3	2
4	5
5	-12
6	-61
7	230
8	1385
9	-6936
10	-50521
11	316682
12	2702765
13	-20359332
14	-199360981
15	1754340590
16	19391512145
17	-195242324016
18	-2404879675441
19	27266796955922
20	370371188237525
21	-4669829301365052
22	-69348874393137901
23	962523286888757750
24	15514534163557086905

[1, 0, -1, 2, 5, -12, -61, 230, 1385, -6936, -50521, 316682, 2702765, -20359332, -199360981, 1754340590, 19391512145, -195242324016, -2404879675441, 27266796955922, 370371188237525, -4669829301365052, -69348874393137901, 962523286888757750, 15514534163557086905]

cp's OEIS Frontend

A347598 a(n) = permanent(T(n)), where T(n) is the tangent matrix defined in A346831 and n >= 1; by convention a(0) = 1.

Table of values

List of values