**TI83** Recursie N=even->.5N; N=oneven->3N+1r cN3PLUS1caá?à1+5+*qqqqqqqqq?à3+1+*qqqqqqqqqqqqqqqq?à2+6+*N3PLUS1?à4+1+*NjEVEN)))ql)Nƒ2?à5+1+*NjONEVEN)ql)3Np1?à6+1+*HERHALEN:::?à7+1+*qqqqqqqqqqqqqqqq*?à8+1+*ON1>)))ENTER*?*qqqqqqqqqqqqq?Ø?á?ú]+]?»J?0A>0B?0T>0U?á?Þ*3Np1)SPEL>*?Þ*STARTGETAL)N)MET*?Þ*N)EVEN>))Nql0:5N*?Þ*N)ONEVEN>Nql3Np1*?Þ*HERHAALjRECURSIE*?Þ*TOT)EINDGETALj1*?à8+1+*DRUK)ENTER*?Ø?á?Þ*BIJV:)STARTGETAL*?Þ*Nj3)GEEFT>*?Þ**?Þ*3ql10ql5ql16ql8*?Þ*ql4ql2ql1)STOPT*?Þ*NA)7)STAPPEN):::*?à8+1+*DRUK)ENTER*?Ø?á?Þ*1>Oc-OLGENDE)N*?Þ*))IN)]+)AANTL*?Þ*))STAPPEN)IN)]*?Þ*2>ALLE)TUSSEN°*?Þ*))STAPPN)VANAF)N*?Þ*))GEVEN)IN)]*?Þ**?Ü*1)OF)2¯*+I?á?ÎIj1>×1?ÎIj2>×2??Ö1?Ü*STARTGTAL¯*+N?NM>á?à1+1+*N)))))STPPN*?à8+1+*ONjSTOPPEN*??ÖA?κNƒ2j0>×B?3Np1N?Up1U?×A??ÖB?Nƒ2N?Up1U?ÎNj1>×C?×A??ÖC?Tp1T?U]T?M]T?à2+1+*))))))))))))))))*?à2+1+M?à2+7+U?Mp1M>MN?0U>0A>0B?×A?*qqqqqqqqqqqqq*??Ö2?á?Þ*KIJK)OOK)VIA*?Þ*STAT)EDIT:::*?Þ*NAAR)HET)VERLOOP*?Þ**?Ü*STARTGETAL¯*+N?á?…?~ ?~ ?“0+0+N?0X>0Y?0T>0]1?N]1??ÖD?κNƒ2j0>Ï?Nƒ2N?Ð?3Np1N?Ô?Tp1T?T]Tp1?N]Tp1?Yp18Y?ÎYj90?Ï?Xp6X?ÎXj60?Ï?0X>0Y?Ø?…>á?Ô?0Y?Ô?“X+Y+N?ÎNj1>×Z?×D??ÖZ?Ø?~?…?á?†W