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.

A159746 If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 9. See A159741 for details.

Table of values

n a(n)
1 55
2 274
3 773
4 1793
5 3840
6 7936
7 16128
8 32512
9 65280
10 130816
11 261888
12 524032
13 1048320
14 2096896
15 4194048
16 8388352
17 16776960
18 33554176
19 67108608
20 134217472
21 268435200
22 536870656
23 1073741568
24 2147483392
25 4294967040
26 8589934336
27 17179868928
28 34359738112

List of values

[55, 274, 773, 1793, 3840, 7936, 16128, 32512, 65280, 130816, 261888, 524032, 1048320, 2096896, 4194048, 8388352, 16776960, 33554176, 67108608, 134217472, 268435200, 536870656, 1073741568, 2147483392, 4294967040, 8589934336, 17179868928, 34359738112]