Figurate Numbers - Square Pattern 1

Topic:
Numbers
Figurate Numbers - Square Pattern 1 Viewing number sequences as geometric patterns makes a strong visual imprint on the mind, and allows it to see relationships in a new/deeper level. Sum of the first N odd integers is N². For N=5, 1+3+5+7+9=25=5². Also 1+2+3+4+5+4+3+2+1=25=5² from a different frame of reference.