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Revision History for A152112 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A152112 Number of increasing initial sequences of bases of order 3.
(history; published version)
#15 by Andrey Zabolotskiy at Fri Feb 24 11:25:23 EST 2023
STATUS

proposed

approved

#14 by Sidney Cadot at Fri Feb 24 11:06:26 EST 2023
STATUS

editing

proposed

#13 by Sidney Cadot at Fri Feb 24 11:06:13 EST 2023
MATHEMATICA

 

 

STATUS

approved

editing

Discussion
Fri Feb 24 11:06
Sidney Cadot: Removed two trailing "ideographic space" characters ('\u3000').
#12 by N. J. A. Sloane at Mon Dec 29 18:36:55 EST 2014
STATUS

proposed

approved

#11 by Tom Edgar at Mon Dec 29 13:44:32 EST 2014
STATUS

editing

proposed

#10 by Tom Edgar at Mon Dec 29 13:43:35 EST 2014
EXTENSIONS

a(6)-a(7) added byfrom David S. Newman, Dec 29 2014

Discussion
Mon Dec 29 13:44
Tom Edgar: Fixed Extensions and added your signature to Mathematica - please sign programs in the future.
#9 by Tom Edgar at Mon Dec 29 13:42:49 EST 2014
MATHEMATICA

For[i=1, i<=index, i++, Print[i, " ", seq[i]]]]]] (* _David S. Newman_, Dec 29 2014 *)

#8 by Tom Edgar at Mon Dec 29 13:41:35 EST 2014
EXTENSIONS

I added two values and gave a Mathematica program

a(6)-a(7) added by David S. Newman, Dec 29 2014

STATUS

proposed

editing

#7 by David S. Newman at Mon Dec 29 13:35:57 EST 2014
STATUS

editing

proposed

#6 by David S. Newman at Mon Dec 29 13:35:27 EST 2014
DATA

1, 1, 3, 13, 86, 760, 8518

MATHEMATICA

f[A_]:=

(AAA={};

For [ii=1, ii<=Length[A], ii++,

For[jj=1, jj<=Length[A], jj++,

For [kk=1, kk<=Length[A], kk++,

AAA=Union[AAA, {A[[ii]]+A[[jj]]+A[[kk]]}]]]];

For[ii=1, ii<=Length[AAA], ii++,

If[ii==Length[AAA], max=ii-1];

If[AAA[[ii]]>ii-1, max=ii-2; Break[]]]);

 

 

index=1;

seq[1]={0, 1};

rindex=1;

newindex=1;

For[k=1, k<=5, k++,

jbegin=rindex; jend=index;

For[j=jbegin, j<=jend, j++,

f[seq[j]];

For[i=Max[seq[j]]+1, i<=max+1, i++, index++; seq[index]=Append[seq[rindex], i]

]; rindex=rindex+1;

]]

For[i=1, i<=index, i++, Print[i, " ", seq[i]]]

EXTENSIONS

I added two values and gave a Mathematica program

STATUS

approved

editing

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Last modified August 30 09:19 EDT 2024. Contains 375532 sequences. (Running on oeis4.)