A147975
a(n) = 4^n-3^n-2^n-1.
Original entry on oeis.org
-2, -2, 2, 28, 158, 748, 3302, 14068, 58718, 241948, 988502, 4015108, 16241678, 65506348, 263636102, 1059360148, 4251855038, 17050597948, 68331794102, 273715121188, 1096023794798, 4387584060748, 17560800790502, 70274592610228
Offset: 1
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lst={};Do[p=4^n-3^n-2^n-1^n;AppendTo[lst,p],{n,0,5!}];lst
LinearRecurrence[{10,-35,50,-24},{-2,-2,2,28},40] (* Harvey P. Dale, Nov 08 2016 *)
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a(n)=4^n-3^n-2^n-1 \\ Charles R Greathouse IV, Oct 07 2015
A147976
a(n) = 5^n-4^n-3^n-2^n-1.
Original entry on oeis.org
-3, -5, -5, 25, 271, 1825, 10735, 59425, 318271, 1670785, 8656975, 44454625, 226827871, 1151991745, 5830280815, 29429454625, 148249811071, 745630312705, 3745590106255, 18797445635425, 94264432179871, 472428649241665
Offset: 1
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lst={};Do[p=5^n-4^n-3^n-2^n-1^n;AppendTo[lst,p],{n,0,5!}];lst
Table[5^n-4^n-3^n-2^n-1,{n,0,30}] (* Harvey P. Dale, Jul 27 2015 *)
G.f. proposed by Maksym Voznyy checked and corrected by R. J. Mathar, Sep 16 2009.
A147977
a(n) = 6^n-5^n-4^n-3^n-2^n-1.
Original entry on oeis.org
-4, -9, -19, -9, 317, 3351, 26141, 183111, 1216637, 7842231, 49591901, 309595431, 1915328957, 11771279511, 71987413661, 438579282951, 2664183937277, 16146410851191, 97676152243421, 590010212989671, 3559688008961597
Offset: 1
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lst={};Do[p=6^n-5^n-4^n-3^n-2^n-1^n;AppendTo[lst,p],{n,0,5!}];lst
Table[6^n-5^n-4^n-3^n-2^n-1,{n,0,20}] (* or *) LinearRecurrence[{21,-175,735,-1624,1764,-720},{-4,-9,-19,-9,317,3351},30] (* Harvey P. Dale, Jan 17 2017 *)
A147978
a(n) = 7^n-6^n-5^n-4^n-3^n-2^n-1.
Original entry on oeis.org
-5, -14, -42, -98, 126, 4606, 50478, 446782, 3622206, 28040446, 211134798, 1561328062, 11403051486, 82538901886, 593482158318, 4245770823742, 30254894691966, 214923605948926, 1522969836817038, 10770185918341822
Offset: 1
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lst={};Do[p=7^n-6^n-5^n-4^n-3^n-2^n-1^n;AppendTo[lst,p],{n,0,5!}];lst
A147996
a(n) = 9^n-8^n-7^n-6^n-5^n-4^n-3^n-2^n-1.
Original entry on oeis.org
-7, -27, -123, -567, -2211, -2727, 84477, 1485513, 18362109, 200535993, 2059226877, 20397799593, 197430536829, 1880870895513, 17715781956477, 165457407809673, 1535334245693949, 14175044463955833, 130346379428513277
Offset: 1
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lst={};Do[p=9^n-8^n-7^n-6^n-5^n-4^n-3^n-2^n-1^n;AppendTo[lst,p],{n,0,5!}];lst
Showing 1-5 of 5 results.