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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
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| A011784 allows the addition of a(-1)=0 and a(0)=2 using row A012257(-2)=1 and A012257(-1)=0 resp. row A012257(0)=2. In this sense A011784 / A012257 are "generated" by (1,0), A061892 / A061893 by (1,0,0), A061894 / A061895 by (2,0).
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EXAMPLE
| a(4) = 3: (1,0,0),(3),(1,1,1),(1,2,3),(1,1,1,2,2,3)
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PROG
| (REXX) /* replace 1 0 0 by 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
| Cf. A011784, A012257, A061893, A061894.
Sequence in context: A087891 A005885 A205145 * A038573 A173465 A151837
Adjacent sequences: A061889 A061890 A061891 * A061893 A061894 A061895
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KEYWORD
| nonn,easy
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AUTHOR
| Frank.Ellermann(AT)t-online.de, May 13 2001
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EXTENSIONS
| One more term from Naohiro Nomoto (n_nomoto(AT)yabumi.com), May 10 2002
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