

A318241


Column 3 of array in A318240.


1



0, 1, 1, 3, 3, 4, 4, 4, 4, 6, 6, 6, 7, 7, 7, 9, 9, 9, 10, 10, 10, 12, 12, 12, 13, 13, 13
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OFFSET

1,4


COMMENTS

The next value a(28) is either 15 or 16.
a(6k+1) = a(6k+2) = a(6k+3) = 3k+1 for k >= 1. This follows from the solution to Kirkman's schoolgirl problem with n schoolgirls.
The values of a(6k), a(6k1) and a(6k2) are either 3k or 3k+1.


LINKS



CROSSREFS



KEYWORD

nonn,more


AUTHOR



STATUS

approved



