The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A138592

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A138592

Sums of 4 or more consecutive nonnegative integers.
(history; published version)

#5 by Ray Chandler at Wed Mar 23 11:50:47 EDT 2016

STATUS

editing

approved

#4 by Ray Chandler at Wed Mar 23 11:50:41 EDT 2016

NAME

Sums of 4 or more consecutive nonnegative integers.

LINKS

Ray Chandler, <a href="/A138592/b138592.txt">Table of n, a(n) for n = 1..10000</a>

STATUS

approved

editing

#3 by Russ Cox at Sat Mar 31 12:38:14 EDT 2012

AUTHOR

_Vladimir Joseph Stephan Orlovsky (4vladimir(AT)gmail.com), _, May 13 2008

EXTENSIONS

More terms from _Vladimir Joseph Stephan Orlovsky (4vladimir(AT)gmail.com), _, Mar 06 2010

Discussion

Sat Mar 31

12:38

OEIS Server: https://oeis.org/edit/global/876

#2 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

DATA

6, 10, 14, 15, 18, 20, 21, 22, 25, 26, 27, 28, 30, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 98, 99, 100, 102, 104, 105, 106

KEYWORD

nonn,new

nonn

EXTENSIONS

More terms from Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 06 2010

#1 by N. J. A. Sloane at Sun Jun 29 03:00:00 EDT 2008

NAME

Sums of 4 or more consecutive integers.

DATA

6, 10, 14, 15, 18, 20, 21, 22, 25, 26, 27, 28, 30, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56

OFFSET

1,1

EXAMPLE

0+1+2+3=6, 1+2+3+4=10, 2+3+4+5=14, 1+2+3+4+5=15,...

MATHEMATICA

Array[r, 9]; k=0; For[i=0, i<=33, a=i*3+3; For[j=i+3, j<=34, a=a+j; k++; r[k]=a; j++ ]; i++ ]; q=Union[Array[r, k]]; StringTake[ToString[q], 99]

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), May 13 2008

STATUS

approved