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 11-13 of 13 results.

A026295 a(n) = T(2n,n-1), where T is the array in A026268.

Original entry on oeis.org

1, 3, 14, 72, 385, 2110, 11757, 66298, 377245, 2161771, 12458186, 72130114, 419239101, 2444741300, 14296415880, 83807317674, 492339686501, 2897788821746, 17084275066796, 100873614561368
Offset: 1

Views

Author

Clark Kimberling

Keywords

A026296 a(n) = T(2n,n+1), where T is the array in A026268.

Original entry on oeis.org

1, 6, 38, 229, 1349, 7894, 46122, 269607, 1578035, 9251060, 54322938, 319502765, 1882040458, 11102029850, 65576732025, 387817554915, 2296120266390, 13608607411660, 80732861599612, 479372928880782
Offset: 1

Views

Author

Clark Kimberling

Keywords

A026297 a(n) = T(n,[ n/2 ]), where T is the array in A026268.

Original entry on oeis.org

1, 1, 1, 2, 5, 9, 27, 46, 145, 244, 796, 1330, 4438, 7382, 25034, 41508, 142479, 235672, 816620, 1348204, 4706977, 7759105, 27256963, 44873972, 158450461, 260581699, 924129535, 1518390034, 5404960900, 8873524820, 31689099660, 51988770150
Offset: 0

Views

Author

Clark Kimberling

Keywords

Extensions

a(12) corrected by Sean A. Irvine, Sep 24 2019
Previous Showing 11-13 of 13 results.

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

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