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A219637 Numbers that occur twice in A219641. 5
0, 2, 4, 7, 9, 12, 14, 16, 20, 22, 24, 27, 29, 33, 35, 37, 40, 42, 45, 47, 49, 54, 56, 58, 61, 63, 66, 68, 70, 74, 76, 78, 81, 83, 88, 90, 92, 95, 97, 100, 102, 104, 108, 110, 112, 115, 117, 121, 123, 125, 128, 130, 133, 135, 137, 143, 145, 147, 150, 152, 155 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
PROG
(Scheme with Antti Karttunen's Intseq-library):
(define (Aux_for219637 n) (A219641 (A219636 n)))
(define A219637 (DISTINCT-VALS 1 1 Aux_for219637))
CROSSREFS
Sequence in context: A175884 A003151 A189939 * A189470 A189681 A329834
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 24 2012
STATUS
approved

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Last modified June 19 02:16 EDT 2024. Contains 373492 sequences. (Running on oeis4.)