A049183 Revert transform of 2*(1 + x + x^2 + x^4 + x^7)-1/(1-x).

1, 1, 3, 11, 45, 195, 885, 4151, 19963, 97899, 487717, 2461393, 12557439, 64657461, 335562499, 1753538133, 9218852525, 48725353661, 258759350495, 1380021781719, 7388261669161, 39692491630271, 213918652593929