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.

Previous Showing 11-20 of 21 results. Next

A125537 Number of n X n arrays with entries in 1..7 in which adjacent entries differ by 4 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 7, 1527, 11721313, 3050388738539, 27037458180935427547, 8157016618633297682357104957, 83768469285967811192253950787571671419, 29282610870399702055320868574328652947738735891523
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125538 Number of n X n arrays with entries in 1..7 in which adjacent entries differ by 5 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 7, 2067, 26587217, 14749946711237, 353372896021348132827, 365544303118982657966348922687, 16327402400665015344535793527620336180117
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125539 Number of n X n arrays with entries in 1..8 in which adjacent entries differ by 5 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 8, 2902, 52127130, 45120225704486, 1888405717902201691046, 3819825084723229625771326323002, 373453238394596300163358238712837771590526
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125540 Number of n X n arrays with entries in 1..8 in which adjacent entries differ by 6 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 8, 3650, 97167566, 149893105802018, 13409953777346510733710, 69569862634707662759990393452322, 20929881875746750076174309956907291103359630
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125541 Number of n X n arrays with entries in 1..9 in which adjacent entries differ by 6 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 9, 4999, 183051647, 432993880473035, 66327998573151304476953, 657786158098403835519781868703261, 422337116619421509499034109697459735541947069
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125542 Number of n X n arrays with entries in 1..9 in which adjacent entries differ by 7 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 9, 5987, 299369303, 1119629504911493, 313365607149624564094821, 6563186624029432821357130152132207, 10286477666057808275996577778629802367615683611
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125543 Number of n X n arrays with entries in 1..10 in which adjacent entries differ by 7 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 10, 8022, 543128374, 3055705944761702, 1431275227278696138328486, 55801019314977359729825524189282042, 181083160867536477536139285619272596798948123330
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125544 Number of n X n arrays with entries in 1..10 in which adjacent entries differ by 8 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 10, 9282, 809972882, 6620278776930050, 5070242688355834000238994, 363841631496359667433584638167920450, 2446405761143101128307819275435459905126486602002
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff) = a(base,n,diff) + F(n,diff) for base>=2.diff.(n-1) and F(n,diff) = (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1)).

A125545 Number of n X n arrays with entries in 1..11 in which adjacent entries differ by 8 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 11, 12199, 1419562557, 17124710891367659, 21446024690051517579350807, 2787767647614213119983106320870299629, 37614839219636718408474282959362229237375107365087
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))

A125546 Number of n X n arrays with entries in 1..11 in which adjacent entries differ by 9 or less (adjacent means in x or y directions).

Original entry on oeis.org

1, 11, 13763, 1978210109, 32571675386972165, 61452459671072911580420687, 13284933102293631737361621573688797935, 329079799821925392118398338649907446164698978078433
Offset: 0

Views

Author

R. H. Hardin, Dec 31 2006

Keywords

Comments

[Empirical] a(base+1,n,diff)=a(base,n,diff)+F(n,diff) for base>=2.diff.(n-1) and F(n,diff)= (n=2, A063496(diff+1)) (n=3, A068744(diff+1)) (n=4, A068745(diff+1)) (n=5, A068746(diff+1)) (n=6, A068747(diff+1))
Previous Showing 11-20 of 21 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.