Odd-indexed terms of the binomial transform equals 1 and the even-indexed terms of the second binomial transform equals 1.

A090158

Odd-indexed terms of the binomial transform equals 1 and the even-indexed terms of the second binomial transform equals 1.

Terms

    a(0) =1a(1) =0a(2) =-3a(3) =9a(4) =-15a(5) =15a(6) =-63a(7) =399a(8) =-255a(9) =-7425a(10) =-1023a(11) =355839a(12) =-4095a(13) =-22360065a(14) =-16383a(15) =1903790079a(16) =-65535a(17) =-209865211905a(18) =-262143a(20) =-1048575a(22) =-4194303a(24) =-16777215

External references