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A002096
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Mixed partitions of n.
(Formerly M0757 N0286)
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4
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0, 0, 1, 2, 3, 6, 9, 14, 20, 29, 42, 58, 79, 108, 145, 191, 252, 329, 427, 549, 704, 894, 1136, 1427, 1793, 2237, 2789, 3450, 4268, 5248, 6447, 7880, 9619, 11691, 14199, 17166, 20739, 24966, 30020, 35976, 43076, 51420, 61320, 72927, 86642, 102682
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OFFSET
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1,4
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COMMENTS
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The number of partitions of n with at least one prime part and at least one nonprime part. - Sean A. Irvine, Mar 23 2016
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REFERENCES
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L. M. Chawla and S. A. Shad, On a trio-set of partition functions and their tables, J. Natural Sciences and Mathematics, 9 (1969), 87-96.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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