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.

A089966 Numbers n such that omega(n) = gpf(n) mod spf(n), where omega=A001221, gpf=A006530 and spf=A020639.

Original entry on oeis.org

1, 15, 33, 35, 45, 51, 69, 75, 85, 87, 99, 123, 135, 141, 143, 153, 159, 161, 175, 177, 185, 207, 213, 225, 235, 245, 249, 259, 261, 267, 297, 303, 321, 323, 335, 339, 363, 369, 375, 393, 405, 411, 423, 425, 447, 455, 459, 477, 485, 501, 519, 531, 533, 535
Offset: 1

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Author

Reinhard Zumkeller, Nov 17 2003

Keywords

Comments

A069859(a(n)) = A001221(a(n));
A064900 is a subsequence.

Crossrefs

Cf. A089967.