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.

A177897 Triangle of octanomial coefficients read by rows: n-th row is obtained by expanding ((1+x)*(1+x^2)*(1+x^4))^n mod 2 and converting to decimal.

Table of values

n a(n)
0 1
1 255
2 21845
3 3342387
4 286331153
5 64424509455
6 5519032976645
7 844437815230467
8 72340172838076673
9 18446744073709551615
10 1567973246265311887445
11 241781474574111093044019
12 20552052528097949033496593
13 4660480146812799619066433295
14 396140812663555408357742346245
15 61084913312720243968763869790979

List of values

[1, 255, 21845, 3342387, 286331153, 64424509455, 5519032976645, 844437815230467, 72340172838076673, 18446744073709551615, 1567973246265311887445, 241781474574111093044019, 20552052528097949033496593, 4660480146812799619066433295, 396140812663555408357742346245, 61084913312720243968763869790979]