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.

Showing 1-2 of 2 results.

A175720 Duplicate of A173605.

Original entry on oeis.org

1, 16, 240, 17293822569102704640
Offset: 1

Views

Author

Jaroslav Krizek, Aug 15 2010

Keywords

Examples

			a(3) = 240 = the smallest number with 16 + 4 = 20 divisors.

Crossrefs

Cf. A014221, A173603, A175719.

Formula

A000005(a(n)) = a(n-1) + 4 for n >= 2.

A175718 Duplicate of A173603.

Original entry on oeis.org

1, 4, 12, 192, 237684487542793012780631851008
Offset: 1

Views

Author

Jaroslav Krizek, Aug 15 2010

Keywords

Examples

			a(4) = 192 = the smallest number with 12 + 2 = 14 divisors.

Crossrefs

Cf. A014221, A175719, A175720.

Formula

A000005(a(n)) = a(n-1) + 2 for n >= 2.
Showing 1-2 of 2 results.

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

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