17 lines
368 B
JavaScript
17 lines
368 B
JavaScript
const aux = (() => {
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const layers = [[1], [1]]
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return n => {
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if(layers[n]) return layers[n]
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const prevLayer = aux(n - 1)
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const shifted = [0, ...prevLayer]
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layers[n] = shifted.map((x, i) => (prevLayer[i] || 0) + x)
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return layers[n]
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}
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})()
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const pascal = n => {
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for(let i = 1; i <= n; i++) {
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console.log(aux(i).join(' '))
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}
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}
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pascal(8)
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