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 1-3 of 3 results.

A050177 T(n,k)=M0(n,k,f(n,k)), where M0 is given by A050176 and f(n,k) is the next-to-least t for which M0(n,k,t) is not 0.

Original entry on oeis.org

1, 1, 1, 1, 3, 1, 1, 4, 4, 1, 1, 5, 9, 5, 1, 1, 6, 14, 14, 6, 1, 1, 7, 20, 28, 20, 7, 1, 1, 8, 27, 48, 48, 27, 8, 1, 1, 9, 35, 75, 90, 75, 35, 9, 1, 1, 10, 44, 110, 165, 165, 110, 44, 10, 1, 1, 11, 54, 154, 275, 297, 275, 154, 54, 11, 1, 1, 12, 65, 208, 429, 572, 572
Offset: 3

Views

Author

Clark Kimberling

Keywords

Comments

f(n,k)=0 if 1<=k<=[ (n-1)/2 ], else f(n,k)=2k-n+1.

Examples

			Rows: {1}; {1,1}; {1,3,1}; {1,4,4,1}; ... (all palindromes)

A050178 T(n,k)=M0(n,k,f(n,k)), where M0 is given by A050176 and f(n,k) is the 3rd-from-least t for which M0(n,k,t) is not 0.

Original entry on oeis.org

1, 1, 1, 1, 5, 1, 1, 6, 6, 1, 1, 7, 20, 7, 1, 1, 8, 27, 27, 8, 1, 1, 9, 35, 75, 35, 9, 1, 1, 10, 44, 110, 110, 44, 10, 1, 1, 11, 54, 154, 275, 154, 54, 11, 1, 1, 12, 65, 208, 429, 429, 208, 65, 12, 1, 1, 13, 77, 273, 637, 1001, 637, 273, 77, 13, 1, 1, 14, 90, 350, 910
Offset: 5

Views

Author

Clark Kimberling

Keywords

Comments

f(n,k)=1 if 2<=k<=[ (n-1)/2 ], else f(n,k)=2k-n+2.

Examples

			Rows: {1}; {1,1}; {1,5,1}; {1,6,6,1}; ... (all palindromes)

A050179 T(n,k) = M0(n,k,f(n,k)), where M0 is given by A050176 and f(n,k) is the 4th-from-least t for which M0(n,k,t) is not 0.

Original entry on oeis.org

1, 1, 1, 1, 7, 1, 1, 8, 8, 1, 1, 9, 35, 9, 1, 1, 10, 44, 44, 10, 1, 1, 11, 54, 154, 54, 11, 1, 1, 12, 65, 208, 208, 65, 12, 1, 1, 13, 77, 273, 637, 273, 77, 13, 1, 1, 14, 90, 350, 910, 910, 350, 90, 14, 1, 1, 15, 104, 440, 1260, 2548, 1260, 440, 104, 15, 1
Offset: 7

Views

Author

Clark Kimberling

Keywords

Comments

f(n,k)=2 if 3<=k<=[ (n-1)/2 ], else f(n,k)=2k-n+3.

Examples

			Rows: {1}; {1,1}; {1,7,1}: {1,8,8,1}; ... (all palindromes)
Showing 1-3 of 3 results.

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

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