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Numbers n for which A060502(n) = 2; numbers with exactly two occupied slopes in their factorial representation.
4

%I #8 Aug 17 2016 22:19:19

%S 3,7,8,10,11,13,15,16,17,20,21,25,26,28,29,30,36,38,42,43,46,47,49,50,

%T 52,53,55,56,58,59,60,62,66,67,70,71,73,75,76,77,78,80,85,87,88,89,90,

%U 91,92,93,94,95,98,99,102,103,106,107,108,109,110,111,112,113,116,117,121,122,124,125,126,132,134,138,139,142,143,144,168,174,192,194

%N Numbers n for which A060502(n) = 2; numbers with exactly two occupied slopes in their factorial representation.

%C Also numbers n such that A060498(n) is a two-ball juggling pattern.

%H Antti Karttunen, <a href="/A276002/b276002.txt">Table of n, a(n) for n = 1..14609</a>

%H <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a>

%F Other identities. For all n >= 1:

%F A060130(a(n)) >= 2.

%o (Scheme, with _Antti Karttunen_'s IntSeq-library)

%o (define A276002 (MATCHING-POS 1 0 (lambda (n) (= 2 (A060502 n)))))

%Y Cf. A060130, A060498, A060502, A276001, A276003.

%K nonn,base

%O 1,1

%A _Antti Karttunen_, Aug 16 2016