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Search: id:A116387
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| A116387 |
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Expansion of 1/(sqrt(1-2x-3x^2)(2-M(x))), where M(x) is the g.f. of the Motzkin numbers A001006. |
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+0 3
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| 1, 2, 7, 22, 72, 234, 763, 2486, 8099, 26372, 85833, 279226, 907946, 2951066, 9587981, 31140034, 101104048, 328162170, 1064856217, 3454513274, 11204337056, 36332719182, 117795920249, 381848062066, 1237615088203, 4010710218384
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