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A061892
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Lionel-Levine-sequence generated by (1,0,0).
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3
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0, 3, 1, 3, 3, 6, 10, 28, 108, 1011, 32511, 9314238, 84560776390, 219625370880235960
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OFFSET
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0,2
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COMMENTS
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LINKS
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EXAMPLE
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a(4) = 3: (1,0,0), (3), (1,1,1), (1,2,3), (1,1,1,2,2,3).
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PROG
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(Rexx) /* replace 1 0 0 with 1 0 to get A011784 */
S = ''; A = 1 0 0; do N = 1 to 10; T = words( A );
S = S word( A, T ); B = A; A = ''; do K = 1 to T;
A = A space( copies( K '', word( B, T + 1 - K )));
end K; end N; T = words( A ); say S word( A, T ) T;
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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