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A003044 a(n) (n>4) is least integer > a(n-1) with precisely two representations a(n) = a(i) + a(j), 1<=i<j<n.
(Formerly M0506)
+0
3
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 29, 31, 33, 43, 44, 47, 51, 54, 58, 68, 69, 78, 79, 86, 95, 99, 110, 113, 117, 133, 134, 135, 145, 151, 156, 159, 173, 180, 183, 193, 197, 204, 211, 229, 232, 236, 239, 243, 250, 256, 264, 270, 281, 284 (list; graph; listen)
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


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