See A046897. Franklin T. Adams-Watters -----Original Message----- From: Richard J. Mathar <mathar at mpia-hd.mpg.de> To: seqfan at list.seqfan.eu Sent: Tue, May 16, 2023 11:40 am Subject: [seqfan] Re: A000118: either as many, or thrice as many . . . So the question is: A000118(2*o) = 3*A000118(o) for all odd o?