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.

A008934 Number of tournament sequences: sequences (a_1, a_2, ..., a_n) with a_1 = 1 such that a_i < a_{i+1} <= 2*a_i for all i.

Table of values

n a(n)
0 1
1 1
2 2
3 7
4 41
5 397
6 6377
7 171886
8 7892642
9 627340987
10 87635138366
11 21808110976027
12 9780286524758582
13 7981750158298108606
14 11950197013167283686587
15 33046443615914736611839942
16 169758733825407174485685959261
17 1627880269212042994531083889564192

List of values

[1, 1, 2, 7, 41, 397, 6377, 171886, 7892642, 627340987, 87635138366, 21808110976027, 9780286524758582, 7981750158298108606, 11950197013167283686587, 33046443615914736611839942, 169758733825407174485685959261, 1627880269212042994531083889564192]

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

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