dog to No Stupid Questions@lemmy.world · edit-210 months agoif 4^13 + 4^23 = (4^1 + 4^2)*3 ...message-squaremessage-square3fedilinkarrow-up114arrow-down17file-text
arrow-up17arrow-down1message-squareif 4^13 + 4^23 = (4^1 + 4^2)*3 ...dog to No Stupid Questions@lemmy.world · edit-210 months agomessage-square3fedilinkfile-text
What about Σ4^n *(n+1)