A033944 Compare partial sums of A033881 and A033884; this is the sequence of common terms.

4, 9, 21, 33, 478, 3610, 4159, 4523, 67058, 491683, 2116825, 41407470, 5757731224, 13279229743, 14878300698, 4571575200439, 1021422135827153, 1233155136903957, 6853271488961498, 10283450066159092, 2766249686287478476, 6972010083241283115