A152037 Convolution of A007318 (Pascal's sequence) with itself .

1, 2, 3, 4, 7, 8, 9, 14, 20, 20, 21, 32, 43, 46, 51, 62, 71, 82, 107, 136, 145, 136, 144, 200, 280, 316, 296, 294, 359, 456, 535, 576, 591, 650, 820, 1020, 1078, 990, 963, 1160, 1541, 1950, 2225, 2244, 2034, 1892, 2211, 3024, 3866, 4260, 4207, 4066, 4150, 4630, 5617