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A248374
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The integer partition a(n) (compare A194602) has only the non-one addends n+1 and 2.
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0
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3, 5, 8, 12, 18, 25, 36, 49, 67, 90, 121, 158, 209, 271, 351, 450, 577, 731, 928, 1166, 1464, 1827, 2277, 2818, 3487, 4291, 5272, 6450, 7880
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OFFSET
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1,1
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COMMENTS
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This sequence looks similar to A039899 = ..., 3, 5, 8, 12, 18, 25, 36, 49, 68, 91, ... . The differences of the corresponding values after 49 are 1, 1, 2, 4, 5, 7, 11, 14, 19, 26, 33, 43, 57, 70, 89, 113, 140, 172, 215, 261, 320, ... .
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LINKS
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EXAMPLE
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a(7) = 36. The integer partition 36 is 8+2, as seen in the linked table (and PHP array).
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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