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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.

A134185 Hankel transform of a transform of the central binomial coefficients A001405.

Table of values

n a(n)
0 1
1 2
2 0
3 -8
4 -32
5 -256
6 0
7 16384
8 262144
9 8388608
10 0
11 -8589934592
12 -549755813888
13 -70368744177664
14 0
15 1152921504606846976
16 295147905179352825856
17 151115727451828646838272
18 0
19 -39614081257132168796771975168

List of values

[1, 2, 0, -8, -32, -256, 0, 16384, 262144, 8388608, 0, -8589934592, -549755813888, -70368744177664, 0, 1152921504606846976, 295147905179352825856, 151115727451828646838272, 0, -39614081257132168796771975168]

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

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