cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-4 of 4 results.

A218522 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 nXk array.

Original entry on oeis.org

4, 4, 16, 16, 36, 64, 36, 286, 236, 256, 94, 1348, 4634, 1528, 1024, 236, 7902, 46140, 76214, 9858, 4096, 602, 42812, 639228, 1608968, 1254462, 63592, 16384, 1528, 242438, 7687526, 49466988, 55161270, 20655650, 410218, 65536, 3882, 1349524
Offset: 1

Views

Author

R. H. Hardin Oct 31 2012

Keywords

Comments

Table starts
.....4.......4.........16............36...............94.................236
....16......36........286..........1348.............7902...............42812
....64.....236.......4634.........46140...........639228.............7687526
...256....1528......76214.......1608968.........49466988..........1326731972
..1024....9858....1254462......55161270.......3856183182........232640291710
..4096...63592...20655650....1884162624.....300890728324......40522780697742
.16384..410218..340133516...64278999490...23498366579584....7051080210074740
.65536.2646208.5601018048.2192134613268.1835588124922808.1226141540661411646

Examples

			Some solutions for n=3 k=4
..3..1..0..0....3..1..1..0....2..2..2..2....2..1..1..1....0..0..0..0
..2..1..0..3....2..0..0..0....3..3..2..0....3..1..1..1....2..0..1..2
..2..3..0..0....0..0..0..2....3..0..0..0....2..1..2..2....0..0..1..3

Links

Crossrefs

Row 1 is A218051

A220761 T(n,k) = Number of n X k arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 n X k array.

Original entry on oeis.org

4, 4, 16, 16, 28, 64, 36, 268, 192, 256, 94, 708, 4328, 956, 1024, 236, 4766, 24934, 68212, 5494, 4096, 602, 15724, 354706, 548130, 1094438, 30888, 16384, 1528, 88434, 2715804, 21154028, 14683998, 17553448, 172038, 65536, 3882, 331024, 31659166
Offset: 1

Views

Author

R. H. Hardin, Dec 19 2012

Keywords

Comments

Table starts
.......4........4..........16...........36............94...........236
......16.......28.........268..........708..........4766.........15724
......64......192........4328........24934........354706.......2715804
.....256......956.......68212.......548130......21154028.....252705768
....1024.....5494.....1094438.....14683998....1383229596...30118695378
....4096....30888....17553448....380208068...89823059958.3442732323766
...16384...172038...281649154...9770273902.5844655062086
...65536...964828..4519836612.252723391836
..262144..5400158.72535767418
.1048576.30225794
.4194304

Examples

			Some solutions for n=3, k=4
..0..0..0..0....1..1..1..1....0..0..1..1....1..2..0..1....0..0..0..0
..0..1..0..0....3..0..2..1....2..0..1..1....1..1..0..0....0..2..0..0
..2..1..0..0....0..0..2..3....1..1..3..2....1..2..0..3....2..3..0..0

Links

Crossrefs

Column 1 is A000302.
Column 2 is A218175.
Row 1 is A218051.

A218181 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nXk array.

Original entry on oeis.org

4, 4, 4, 16, 28, 16, 36, 192, 192, 36, 94, 956, 2936, 956, 94, 236, 5494, 33152, 33152, 5494, 236, 602, 30888, 434210, 851332, 434210, 30888, 602, 1528, 172038, 5528352, 25006046, 25006046, 5528352, 172038, 1528, 3882, 964828, 70125438, 710907184
Offset: 1

Views

Author

R. H. Hardin Oct 22 2012

Keywords

Comments

Table starts
.....4.........4...........16.............36..............94..............236
.....4........28..........192............956............5494............30888
....16.......192.........2936..........33152..........434210..........5528352
....36.......956........33152.........851332........25006046........710907184
....94......5494.......434210.......25006046......1661620524.....106842964082
...236.....30888......5528352......710907184....106842964082...15513264742256
...602....172038.....70125438....20223079322...6885852440176.2257342895377582
..1528....964828....894288072...577891946796.445345491313290
..3882...5400158..11389420426.16478399529602
..9858..30225794.145014350614
.25038.169223054
.63592

Examples

			Some solutions for n=3 k=4
..1..1..1..3....1..1..1..3....0..0..0..0....0..0..0..0....2..1..0..0
..3..1..1..1....1..0..1..3....1..0..0..0....2..0..0..0....2..0..0..0
..3..2..1..1....0..0..0..3....3..3..3..0....2..3..1..3....3..0..0..0

Links

Crossrefs

Column 1 is A218051

A218651 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nXk array.

Original entry on oeis.org

4, 4, 4, 16, 16, 16, 36, 66, 66, 36, 94, 292, 610, 292, 94, 236, 1280, 4946, 4946, 1280, 236, 602, 5644, 44712, 82188, 44712, 5644, 602, 1528, 24782, 391888, 1374954, 1374954, 391888, 24782, 1528, 3882, 108940, 3441914, 23370578, 45453172
Offset: 1

Views

Author

R. H. Hardin Nov 03 2012

Keywords

Comments

Table starts
.....4........4...........16..............36..................94
.....4.......16...........66.............292................1280
....16.......66..........610............4946...............44712
....36......292.........4946...........82188.............1374954
....94.....1280........44712.........1374954............45453172
...236.....5644.......391888........23370578..........1519211492
...602....24782......3441914.......394655980.........50119569324
..1528...108940.....30316230......6688451956.......1664686049742
..3882...478862....266671334....113330380248......55271550032162
..9858..2104866...2346850058...1919929942392....1834389849757758
.25038..9252000..20652411898..32533805101006...60908824469453990
.63592.40667620.181738545458.551254991578840.2022184882918753962

Examples

			Some solutions for n=3 k=4
..1..0..0..0....3..3..2..2....0..0..0..2....2..1..1..3....2..2..2..2
..1..0..0..0....2..1..1..2....0..0..1..2....1..1..1..1....0..0..1..3
..1..0..0..3....1..1..1..3....0..0..2..2....1..1..1..1....0..0..1..3

Links

Crossrefs

Column 1 is A218051
Showing 1-4 of 4 results.

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