------ Original Message ------ From: "Jonathan Post" <jvospost3 at gmail.com> To: "Nick Hobson" <nickh at qbyte.org>Cc: seqfans at seqfan.net, seqfan at ext.jussieu.fr, jvospost2 at yahoo.com Subject: Re: Polynomial sequence? > a(n) = (n+1)^n - n! = A000169(n) - A000142(n). > a(n) = (n+1)^n - n! = A000169(n+1) - A000142(n).