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Search: id:A111901
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| A111901 |
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Number of partitions of n into parts that are primes or squares of primes. |
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+0
3
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| 0, 1, 1, 2, 2, 3, 4, 5, 7, 8, 11, 13, 17, 20, 25, 30, 37, 44, 53, 63, 75, 89, 105, 123, 145, 169, 197, 229, 266, 307, 355, 408, 469, 538, 615, 703, 801, 912, 1035, 1175, 1330, 1504, 1698, 1914, 2155, 2423, 2721, 3051, 3418, 3824, 4273, 4770, 5319, 5925, 6592
(list; graph; listen)
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OFFSET
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1,4
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EXAMPLE
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a(10)=#{7+3,5+5,5+3+2,2^2+2^2+2,2^2+3+3,2^2+2+2+2,3+3+2+2,2+2+2+2+2}=8.
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CROSSREFS
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Cf. A000607, A090677, A023893, A111902.
Sequence in context: A095699 A112192 A017841 this_sequence A134727 A152305 A131419
Adjacent sequences: A111898 A111899 A111900 this_sequence A111902 A111903 A111904
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 20 2005
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