let suma = 0;
function sumarImpar (n){
for(let indice = 1 , impar = 1 ; indice <= n ; indice++ , impar += 2){
suma += impar;
}
return suma;
}
console.log(sumarImpar (4));
bGV0IHN1bWEgPSAwOwpmdW5jdGlvbiBzdW1hckltcGFyIChuKXsKCWZvcihsZXQgaW5kaWNlID0gMSAsIGltcGFyID0gMSA7IGluZGljZSA8PSBuIDsgaW5kaWNlKysgLCBpbXBhciArPSAyKXsKCQlzdW1hICs9IGltcGFyOwoJfQoJcmV0dXJuIHN1bWE7Cn0KY29uc29sZS5sb2coc3VtYXJJbXBhciAoNCkpOw==