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Triangular number AND sum of first m factorials
01-09-2018, 08:53 PM (This post was last modified: 01-09-2018 10:58 PM by Gerson W. Barbosa.)
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RE: Triangular number AND sum of first m factorials

001 LBL A
002 DEC X
003 ENTER
004 INC X
005 LBL 00
006 INC X
007 RCL* Y
008 DSE Y
009 GTO 00
010 PSE 10
011 STO+ X
012 +/-
013 1
014 ENTER
015 ENTER
016 R/\
017 SLVQ
018 X<>Y
019 FP
020 PSE 10
021 RCL L
022 RTN

2 A -> 3 -> 0 -> 2
5 A -> 153 -> 0 -> 17



The next m should be greater than 31, but I can’t find it using the wp34s, at least not with help of this simple program…

Edited to fix a typo pointed out by Dieter below.
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RE: Triangular number AND sum of first m factorials - Gerson W. Barbosa - 01-09-2018 08:53 PM



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