A358925 - OEIS

%I #9 Dec 07 2022 15:00:36

%S 54,2052,4060,23184,54425,109854,121392,126866,249180,317810,323284,

%T 330612,363552,384834,416020,476528,512937,537402,537988,544178,

%U 558085,601492,739033,743862,785888,832039,930249,982860,984544,1201692,1203954,1204276,1207300

%N Numbers whose first occurrence in Stern's diatomic series (A002487) is later than that of one of their proper multiples.

%C Equivalently, numbers m such that A020946(m) > A020946(m*k) for some k > 1.

%C For the first 38 terms, k = 2.

%H Rémy Sigrist, <a href="/A358925/a358925.txt">C program</a>

%H Rémy Sigrist, <a href="/A358925/a358925_1.txt">C++ program</a>

%H <a href="/index/St#Stern">Index entries for sequences related to Stern's sequences</a>

%e A020946(54) = 1275, but A020946(2*54) = 1173 is smaller, so 54 belongs to this sequence.

%o (C) See Links section.

%o (C++) See Links section.

%Y Cf. A002487, A020946.

%K nonn

%O 1,1

%A _Rémy Sigrist_, Dec 06 2022