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 11-15 of 15 results.

A104614 Write the natural numbers in base 11 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

Original entry on oeis.org

1, 3, 6, 10, 1, 1, 8, 1, 2, 3, 5, 0, 4, 5, 10, 7, 7, 8, 1, 0, 1, 0, 1, 1, 2, 1, 1, 5, 1, 1, 8, 1, 1, 0, 2, 2, 3, 2, 2, 6, 2, 2, 10, 3, 3, 3, 3, 3, 8, 3, 4, 1, 4, 4, 6, 4, 4, 0, 5, 5, 6, 5, 5, 1, 6, 6, 7, 6, 7, 2, 7, 7, 8, 8, 8, 4, 8, 8, 0, 9, 9, 8, 9, 10, 4, 10, 10, 2, 1, 5, 0, 0, 0, 1, 9, 0, 1, 0, 2, 2, 7, 1
Offset: 1

Views

Author

Robert G. Wilson v, Mar 16 2005

Keywords

Comments

1
23
456
789A
10111
213141
5161718...

Crossrefs

Programs

  • Mathematica
    t = Flatten[ IntegerDigits[ Range[1850], 11]]; t[[Table[n(n + 1)/2, {n, 105}]]]

A104615 Write the natural numbers in base 12 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

Original entry on oeis.org

1, 3, 6, 10, 1, 4, 1, 2, 4, 9, 3, 3, 3, 10, 5, 6, 10, 7, 8, 9, 1, 0, 1, 1, 1, 1, 1, 3, 1, 1, 6, 1, 1, 8, 1, 1, 11, 2, 2, 3, 2, 2, 6, 2, 2, 10, 2, 3, 2, 3, 3, 6, 3, 3, 11, 4, 4, 3, 4, 4, 8, 4, 5, 2, 5, 5, 7, 5, 5, 1, 6, 6, 7, 6, 6, 1, 7, 7, 8, 7, 8, 2, 8, 8, 9, 9, 9, 5, 9, 9, 0, 10, 10, 8, 10, 11, 4, 11, 11, 0
Offset: 1

Views

Author

Robert G. Wilson v, Mar 16 2005

Keywords

Comments

1
23
456
789A
B1011
121314...

Crossrefs

Programs

  • Mathematica
    t = Flatten[ IntegerDigits[ Range[1900], 12]]; t[[Table[n(n + 1)/2, {n, 100}]]]

A104616 Write the natural numbers in base 13 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

Original entry on oeis.org

1, 3, 6, 10, 1, 1, 7, 11, 2, 2, 0, 6, 4, 4, 1, 9, 6, 7, 10, 7, 9, 10, 1, 0, 1, 8, 4, 1, 10, 7, 1, 2, 0, 1, 10, 9, 1, 8, 8, 1, 9, 10, 2, 0, 2, 2, 7, 10, 2, 4, 8, 3, 4, 9, 3, 7, 0, 3, 0, 7, 4, 9, 4, 4, 8, 4, 4, 10, 7, 5, 2, 0, 5, 10, 9, 6, 8, 8, 6, 9, 10, 7, 0, 2, 7, 7, 10, 8, 4, 8, 8, 4, 9, 9, 7, 0, 9, 0, 7, 10
Offset: 1

Views

Author

Robert G. Wilson v, Mar 16 2005

Keywords

Comments

1
23
456
789A
BC101
112131...

Crossrefs

Programs

  • Mathematica
    t = Flatten[ IntegerDigits[ Range[1900], 13]]; t[[Table[n(n + 1)/2, {n, 100}]]]

A104617 Write the natural numbers in base 14 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

Original entry on oeis.org

1, 3, 6, 10, 0, 3, 1, 1, 1, 6, 2, 3, 10, 3, 4, 5, 13, 8, 7, 8, 10, 7, 10, 11, 1, 0, 1, 0, 1, 1, 2, 1, 1, 5, 1, 1, 7, 1, 1, 10, 1, 1, 13, 2, 2, 2, 2, 2, 6, 2, 2, 9, 2, 2, 13, 3, 3, 3, 3, 3, 8, 3, 3, 12, 4, 4, 3, 4, 4, 8, 4, 4, 13, 5, 5, 4, 5, 5, 10, 5, 6, 2, 6, 6, 8, 6, 6, 0, 7, 7, 6, 7, 7, 13, 8, 8, 6, 8, 8
Offset: 1

Views

Author

Robert G. Wilson v, Mar 16 2005

Keywords

Comments

1
23
456
789A
BCD10
111213...

Crossrefs

Programs

  • Mathematica
    t = Flatten[ IntegerDigits[ Range[1900], 14]]; t[[Table[n(n + 1)/2, {n, 100}]]]

A104618 Write the natural numbers in base 15 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

Original entry on oeis.org

1, 3, 6, 10, 1, 1, 6, 10, 2, 2, 10, 1, 3, 4, 7, 0, 5, 6, 12, 7, 8, 8, 10, 7, 11, 12, 1, 0, 1, 1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 8, 1, 1, 11, 1, 1, 14, 2, 2, 2, 2, 2, 5, 2, 2, 9, 2, 2, 13, 2, 3, 2, 3, 3, 6, 3, 3, 10, 3, 3, 0, 4, 4, 5, 4, 4, 10, 4, 4, 0, 5, 5, 5, 5, 5, 11, 5, 6, 2, 6, 6, 8, 6, 6, 14, 7, 7, 5, 7, 7
Offset: 1

Views

Author

Robert G. Wilson v, Mar 16 2005

Keywords

Comments

1
23
456
789A
BCDE1
011121...

Crossrefs

Programs

  • Mathematica
    t = Flatten[ IntegerDigits[ Range[1900], 15]]; t[[Table[n(n + 1)/2, {n, 100}]]]
Previous Showing 11-15 of 15 results.