%I A007826
%S A007826 2,5,8,11,13,15,30,34,40,46,52,56,60,63,69
%N A007826 Philadelphia Market-Frankford subway stops.
%F A007826 a(n) = 2 + 3 n - binomial(n, 4) + 3 binomial(n, 5) + 7 binomial(n, 6) 
               - 66 binomial(n, 7) + 248 binomial(n, 8) - 679 binomial(n, 9) + 1554 
               binomial(n, 10) - 3158 binomial(n, 11) + 5897 binomial(n, 12) - 10352 
               binomial(n, 13) + 17384 binomial(n, 14)
%Y A007826 Cf. A000053, A000054, A001049.
%Y A007826 Sequence in context: A083422 A167409 A082406 this_sequence A108589 A093609 
               A140101
%Y A007826 Adjacent sequences: A007823 A007824 A007825 this_sequence A007827 A007828 
               A007829
%K A007826 nonn,fini,full
%O A007826 1,1
%A A007826 N. J. A. Sloane (njas(AT)research.att.com).
%E A007826 "Milbourne" actually comes between 63 and 69.