Total number of parts of multiplicity 3 in all partitions of n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =3a(7) =3a(8) =7a(9) =8a(10) =13a(11) =17a(12) =25a(13) =32a(14) =48a(15) =59a(16) =83a(17) =108a(18) =145a(19) =183a(20) =247a(21) =310a(22) =406a(23) =512a(24) =659a(25) =824a(26) =1055a(27) =1307a(28) =1651a(29) =2047