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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.

A359877 a(n) is the smallest tetranacci number (A000078) with exactly n prime factors (counted with multiplicity).

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 56
5 108
6 5536
7 28074040
8 39648
9 147312
10 18566888967365603514688
11 9966792788887776
12 2775641472
13 2505471397838180985096739296
14 1445523368993397560000765219760086502994234237205516083525719052320
15 44092571484448511101335177770183225655413760

List of values

[1, 2, 4, 8, 56, 108, 5536, 28074040, 39648, 147312, 18566888967365603514688, 9966792788887776, 2775641472, 2505471397838180985096739296, 1445523368993397560000765219760086502994234237205516083525719052320, 44092571484448511101335177770183225655413760]

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

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