A166101 - OEIS

%I #6 Jun 13 2021 08:28:43

%S 1,13,37,121,181,337,433,793,937,1093,1261,1633,2521,3037,3313,3901,

%T 4213,4537,5221,7141,7561,8437,9841,10333,10837,11353,11881,14701,

%U 15301,17173,19153,19837,21961,22693,23437,25741,27337,28153,29821

%N Integers k such that A166100(k)/A005408(k) is not an integer.

%H A. Karttunen, <a href="/A166101/b166101.txt">Table of n, a(n) for n = 1..92</a>

%o (MIT Scheme with macro MATCHING-POS by AK:)

%o (define A166101 (MATCHING-POS 1 0 (lambda (i) (not (integer? (/ (A166100 i) (A005408 i)))))))

%Y A166102 gives the corresponding odd numbers. Cf. A166272.

%K nonn

%O 1,2

%A _Antti Karttunen_, Oct 13 2009