Partial sums of A230584.

Terms

a(0) =2a(1) =5a(2) =11a(3) =18a(4) =29a(5) =43a(6) =61a(7) =84a(8) =111a(9) =145a(10) =183a(11) =230a(12) =281a(13) =343a(14) =409a(15) =488a(16) =571a(17) =669a(18) =771a(19) =890a(20) =1013a(21) =1155a(22) =1301a(23) =1468a(24) =1639a(25) =1833a(26) =2031a(27) =2254a(28) =2481a(29) =2735