Ejemplo n.º 1
0
function q37()
{
    $truncatablePrimes = [];
    $expected = 11;
    $generator = potentialTruncatablePrimeGenerator();
    foreach ($generator as $potentialTruncatablePrime) {
        //		echo $potentialTruncatablePrime . ' ' . $expected . PHP_EOL;
        if (!Number::isTruncatablePrime($potentialTruncatablePrime)) {
            continue;
        }
        --$expected;
        $truncatablePrimes[] = $potentialTruncatablePrime;
        if ($expected === 0) {
            break;
        }
    }
    return array_sum($truncatablePrimes);
}