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Search: a068631 -id:a068631
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a(1) = 2; a(n+1) = smallest composite number not in the sequence such that the sum of all the terms is prime.
+10
1
2, 9, 6, 12, 8, 4, 18, 14, 10, 20, 24, 22, 30, 32, 16, 36, 44, 40, 26, 28, 38, 48, 34, 42, 50, 46, 60, 54, 56, 52, 66, 62, 78, 64, 72, 68, 70, 86, 76, 74, 96, 84, 90, 82, 80, 58, 92, 88, 104, 102, 106, 98, 100, 110, 112, 120, 132, 108, 140, 94, 116, 114, 124, 126, 128, 136

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