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A241037 Number of partitions p of n into distinct parts such that max(p) > 2*min(p). 7

%I #9 Jan 05 2019 04:37:05

%S 0,0,0,0,1,1,2,3,4,4,8,9,11,14,18,22,28,32,39,48,58,68,81,95,112,132,

%T 155,180,210,242,280,326,374,430,494,565,646,737,840,956,1087,1232,

%U 1394,1578,1781,2010,2266,2550,2866,3219,3610,4045,4528,5062,5656,6316

%N Number of partitions p of n into distinct parts such that max(p) > 2*min(p).

%e a(9) counts these 4 partitions: {8,1}, {7,2}, {6,2,1}, {5,3,1}.

%t z = 70; f[n_] := f[n] = Select[IntegerPartitions[n], Max[Length /@ Split@#] == 1 &];

%t Table[Count[f[n], p_ /; Max[p] < 2*Min[p]], {n, 0, z}] (* A240874 *)

%t Table[Count[f[n], p_ /; Max[p] == 2*Min[p]], {n, 0, z}] (* A241035 *)

%t Table[Count[f[n], p_ /; Max[p] >= 2*Min[p]], {n, 0, z}] (* A241036 *)

%t Table[Count[f[n], p_ /; Max[p] > 2*Min[p]], {n, 0, z}] (* A241037 *)

%Y Cf. A240874, A241035, A241036.

%K nonn,easy

%O 0,7

%A _Clark Kimberling_, Apr 15 2014

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