A014172 Apply partial sum operator twice to Stern's sequence.
1, 3, 7, 14, 27, 51, 95, 179, 340, 649, 1243, 2407, 4691, 9175, 17982, 35287, 69588, 137596, 272448, 539868, 1070224, 2122129, 4217132, 8389833, 16700934, 33255128, 66228664, 131908316
Offset: 0
Keywords
Crossrefs
Cf. A005230.