a(n) is the number of negative Euler permutations of order n.
A347602
a(n) is the number of negative Euler permutations of order n.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =0a(4) =2a(5) =28a(6) =163a(7) =812a(8) =6724a(9) =70216a(10) =692741a(11) =7183944a(12) =86756038a(13) =1155576132a(14) =16135231015a(15) =239656087572
External references
- oeis: A347602