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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.

A048541 a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 6's.

Table of values

n a(n)
1 2
2 60
3 257
4 816
5 4082
6 77887
7 258237
8 816512
9 4546060
10 25820081
11 103276578
12 815209584
13 816472087
14 2581876578
15 24834787435
16 258140787487
17 1239623599592
18 7978512779247
19 78515384904912
20 121105886176546
21 816494743559742
22 6608227190863421
23 8164653370882732
24 81281404248860431
25 81649676463937177

List of values

[2, 60, 257, 816, 4082, 77887, 258237, 816512, 4546060, 25820081, 103276578, 815209584, 816472087, 2581876578, 24834787435, 258140787487, 1239623599592, 7978512779247, 78515384904912, 121105886176546, 816494743559742, 6608227190863421, 8164653370882732, 81281404248860431, 81649676463937177]

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

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