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A089390
For n > 1, a(n) is the least composite number not already used such that the n-th partial sum is prime.
1
4, 9, 6, 10, 8, 16, 14, 12, 18, 30, 22, 24, 20, 34, 36, 44, 40, 26, 28, 32, 46, 42, 48, 38, 52, 50, 60, 54, 58, 56, 72, 78, 64, 62, 66, 82, 68, 70, 80, 84, 90, 94, 86, 96, 100, 74, 106, 102, 92, 76, 98, 112, 108, 104, 88, 114, 110, 120, 124, 116, 130, 126, 122, 150, 136
OFFSET
1,1
COMMENTS
9 is the only odd member.
CROSSREFS
Cf. A089391.
Sequence in context: A155875 A105274 A264264 * A053667 A218072 A335306
KEYWORD
easy,nonn
AUTHOR
Amarnath Murthy, Nov 10 2003
EXTENSIONS
More terms from David Wasserman, Sep 15 2005
STATUS
approved