login
A276002
Numbers n for which A060502(n) = 2; numbers with exactly two occupied slopes in their factorial representation.
4
3, 7, 8, 10, 11, 13, 15, 16, 17, 20, 21, 25, 26, 28, 29, 30, 36, 38, 42, 43, 46, 47, 49, 50, 52, 53, 55, 56, 58, 59, 60, 62, 66, 67, 70, 71, 73, 75, 76, 77, 78, 80, 85, 87, 88, 89, 90, 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
OFFSET
1,1
COMMENTS
Also numbers n such that A060498(n) is a two-ball juggling pattern.
FORMULA
Other identities. For all n >= 1:
A060130(a(n)) >= 2.
PROG
(Scheme, with Antti Karttunen's IntSeq-library)
(define A276002 (MATCHING-POS 1 0 (lambda (n) (= 2 (A060502 n)))))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Aug 16 2016
STATUS
approved