- 608 名前：１３２人目の素数さん mailto:sage [2020/02/28(金) 00:09:34.34 ID:6+sDQgwJ.net]
- 和を1/2に保ちながらエジプト分数の項数を二倍に増やす
1/2=1/3+1/6=1/4+1/10+1/12+1/15=1/5+1/14+1/20+1/21+1/24+1/28+1/35+1/40=
1/6+1/18+1/30+1/30+1/33+1/36+1/44+1/45+1/60+1/65+1/63+1/70+1/77+1/84+1/88+1/104=
1/7+1/22+1/39+1/42+1/42+1/52+1/55+1/60+1/66+1/70+1/85+1/90+1/99+1/112+1/117+1/119+
1/126+1/126+1/130+1/133+1/144+1/152+1/154+1/165+1/168+1/170+1/198+1/204+1/209+1/228+1/234+1/273=1/2
