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Which integers occur in the sequence? The first 4 unknown values are 4, 10, 16 and 24, which do not occur for n up to 20000.
Table of n, a(n) for n=1..72.
Cf. A073872, A073873.
Sequence in context: A169659 A091724 A016576 * A065287 A065263 A057114
Adjacent sequences: A073871 A073872 A073873 * A073875 A073876 A073877
Amarnath Murthy, Aug 16 2002
Edited by Dean Hickerson, Oct 15 2002