Sequence is finite with 20 terms.
Table of n, a(n) for n=1..20.
15 is in this sequence because 15 <= T(1) + T(5) = 16.
Sequence in context: A242419 A073526 A032992 * A069118 A328933 A032978
Adjacent sequences: A190295 A190296 A190297 * A190299 A190300 A190301
Jaroslav Krizek, May 07 2011