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.

A110203 a(n) = sum of squares of numbers < 2^n having exactly 3 ones in their binary representation.

Table of values

n a(n)
1 0
2 0
3 49
4 535
5 3906
6 24066
7 135255
8 717825
9 3662848
10 18158932
11 88043517
12 419348475
13 1968346446
14 9126412278
15 41875079155
16 190408381765
17 858989527020
18 3848282308584
19 17134038373689
20 75866264567775
21 334251455152090

List of values

[0, 0, 49, 535, 3906, 24066, 135255, 717825, 3662848, 18158932, 88043517, 419348475, 1968346446, 9126412278, 41875079155, 190408381765, 858989527020, 3848282308584, 17134038373689, 75866264567775, 334251455152090]

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

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