References to A035343

Triangle of coefficients in expansion of (1+x+x^2+x^3+x^4)^n.
1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 4, 3, 2, 1, 1, 3, 6, 10, 15, 18, 19, 18, 15, 10, 6, 3, 1, 1, 4

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