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A023603
Convolution of A023532 and A001950.
0
2, 5, 9, 17, 25, 34, 48, 62, 78, 96, 116, 140, 165, 191, 220, 251, 284, 320, 359, 399, 439, 484, 530, 579, 632, 685, 741, 798, 858, 920, 984, 1052, 1123, 1196, 1269, 1344, 1423, 1503, 1585, 1673, 1761, 1852, 1946, 2039, 2136, 2236, 2336, 2441
OFFSET
1,1
CROSSREFS
Sequence in context: A080740 A123324 A167887 * A334087 A308760 A342854
KEYWORD
nonn
STATUS
approved