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.

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A141740 Cumulative sum of the rows of triangle A141728.

Original entry on oeis.org

1, 1, 4, 6, 10, 13, 19, 28, 35, 42, 51, 59, 70, 78, 91, 107, 125, 139, 153, 167, 189, 209, 229, 254, 276
Offset: 0

Views

Author

Paolo P. Lava, Jul 03 2008

Keywords

Crossrefs

Cf. A141727 - A141739, A141741 - A141746.
Cf. A141727 - A141739, A141741 - A141746.

A141742 Starting from the 1 in the first line of triangle A141728 choose one of the three digits below it. Repeat down to the other rows. Sequence gives the numbers in base 10 expressed by the collected digits that cannot be reached following any possible path.

Original entry on oeis.org

3, 6, 7, 12, 13, 14, 15, 24, 25, 26, 27, 28, 29, 30
Offset: 0

Views

Author

Paolo P. Lava and Giorgio Balzarotti, Jul 07 2008

Keywords

Examples

			Below the 1 in the first row we have three 0. Therefore we cannot have "11", 3 in base 10.

Crossrefs

Cf. A004755, A141727 - A141741, A141743 - A141746.
Showing 1-2 of 2 results.

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

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