happy 2025, a square number (45×45) and the sum of the first nine cubes (1³+2³+3³+4³+5³+6³+7³+8³+9³). very cool! very neat! - ThreadSky

supermathskid.bsky.social • 59 days ago

happy 2025, a square number (45×45) and the sum of the first nine cubes (1³+2³+3³+4³+5³+6³+7³+8³+9³). very cool! very neat!