cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A347760 Number of compositions (ordered partitions) of n into at most 5 prime parts (counting 1 as a prime).

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%I A347760 #7 Sep 12 2021 20:34:58
%S A347760 1,1,2,4,7,14,25,43,66,93,124,160,198,240,274,315,353,415,464,538,577,
%T A347760 669,718,850,887,1031,1043,1238,1250,1495,1435,1692,1584,1943,1817,
%U A347760 2251,2011,2529,2261,2939,2561,3287,2720,3596,3005,4077,3304,4505,3545,4995,3966
%N A347760 Number of compositions (ordered partitions) of n into at most 5 prime parts (counting 1 as a prime).
%t A347760 Table[Length@Flatten[Permutations/@IntegerPartitions[n,5,Join[{1},Prime@Range@PrimePi@n]],1],{n,0,50}] (* _Giorgos Kalogeropoulos_, Sep 12 2021 *)
%Y A347760 Cf. A008578, A280917, A341984, A347703, A347742, A347744, A347745, A347761.
%K A347760 nonn
%O A347760 0,3
%A A347760 _Ilya Gutkovskiy_, Sep 12 2021