| 1, 3, 1, 6, 3, 1, 13, 9, 3, 1, 23, 19, 9, 3, 1, 44, 42, 22, 9, 3, 1, 74, 80, 48, 22, 9, 3, 1, 129, 154, 99, 51, 22, 9, 3, 1, 210, 273, 193, 105, 51, 22, 9, 3, 1, 345, 484, 362, 212, 108, 51, 22, 9, 3, 1, 542, 815, 651, 401, 218, 108, 51, 22, 9, 3, 1, 858, 1369, 1147
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums form A022812 (number of terms in n-th derivative of a function composed with itself 4 times). - Paul D. Hanna (pauldhanna(AT)juno.com), Jul 13 2004
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EXAMPLE
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1; 3,1; 6,3,1; 13,9,3,1; ...
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CROSSREFS
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Cf. A038497, A038498, A039806, A039807. a(n, 1) = A022811(n) (first column).
Cf. A022812.
Sequence in context: A131031 A130452 A133085 this_sequence A094504 A107884 A158822
Adjacent sequences: A039802 A039803 A039804 this_sequence A039806 A039807 A039808
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KEYWORD
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nonn,tabl
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AUTHOR
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Christian G. Bower (bowerc(AT)usa.net), Feb 15 1999.
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