Triangle read by rows: T(n,k) = (-1)^(n+1) * A000166(n) + (-1)^(k) * A000166(k) for n >= 2 and 1 <= k <= n-1.

A373966

Triangle read by rows: T(n,k) = (-1)^(n+1) * A000166(n) + (-1)^(k) * A000166(k) for n >= 2 and 1 <= k <= n-1.

Terms

    a(0) =-1a(1) =2a(2) =3a(3) =-9a(4) =-8a(5) =-11a(6) =44a(7) =45a(8) =42a(9) =53a(10) =-265a(11) =-264a(12) =-267a(13) =-256a(14) =-309a(15) =1854a(16) =1855a(17) =1852a(18) =1863a(19) =1810a(20) =2119a(21) =-14833a(22) =-14832a(23) =-14835a(24) =-14824a(25) =-14877a(26) =-14568a(27) =-16687a(28) =133496a(29) =133497

External references