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# Oldest pages

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Showing below up to **50** results in range #**1** to #**50**.

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- Transformations of Integer Sequences (Mathematica Version) (16:25, 27 October 2009)
- Listen to a sequence (21:40, 27 October 2009)
- The Encyclopedia of Integer Sequences (21:44, 27 October 2009)
- Full List of Files Associated with OEIS (22:29, 27 October 2009)
- Figure list (00:07, 28 October 2009)
- More Transformations of Integer Sequences (00:29, 28 October 2009)
- Papers dealing with integer sequences (07:37, 28 October 2009)
- Browse (08:35, 28 October 2009)
- The Encyclopedia of Integer Sequences (French) (10:22, 28 October 2009)
- Find Friends of a Number (20:16, 28 October 2009)
- (a,b)-Pascal triangle (10:15, 30 July 2010)
- (a(n),b(n))-Pascal triangle (16:00, 4 August 2010)
- (1,k)-Pascal triangle (21:04, 7 August 2010)
- (k,1)-Pascal triangle (21:06, 7 August 2010)
- Hyperpyramidal numbers (22:00, 9 August 2010)
- Divisor summatory function (21:32, 14 August 2010)
- Square hyperpyramidal numbers (14:16, 17 August 2010)
- (Centered squares) hyperpyramidal numbers (14:16, 17 August 2010)
- Regular polytope numbers (17:22, 18 August 2010)
- Centered triangular numbers (21:46, 20 August 2010)
- Centered pentachoron numbers (21:47, 20 August 2010)
- Quantum electrodynamics (21:48, 20 August 2010)
- Integer Sequences Overview (11:48, 22 August 2010)
- Sequences Overview (11:49, 22 August 2010)
- OEIS Wiki Knowledge Base Overview (20:08, 22 August 2010)
- N-free numbers (22:32, 22 August 2010)
- N-ful numbers (22:40, 22 August 2010)
- Cubeful numbers (22:48, 22 August 2010)
- Biquadrateful numbers (22:52, 22 August 2010)
- Biquadratefull numbers (23:20, 22 August 2010)
- N-full numbers (23:25, 22 August 2010)
- Numbers of the form an+b, (a,b)=1 (23:39, 22 August 2010)
- Enrique Pérez Herrrero/OEIS Utilities/OEIS2BibTeX (10:44, 26 August 2010)
- Dipyramidal numbers (17:11, 30 August 2010)
- Centered dipyramidal numbers (17:18, 30 August 2010)
- Octahedral numbers (17:19, 30 August 2010)
- Tetracross numbers (17:20, 30 August 2010)
- Tesseract numbers (17:20, 30 August 2010)
- Nonregular polytope numbers (17:21, 30 August 2010)
- Pentachoron numbers (17:21, 30 August 2010)
- Centered cube numbers (17:21, 30 August 2010)
- Centered tetrahedral numbers (17:22, 30 August 2010)
- Centered tetracross numbers (17:22, 30 August 2010)
- Centered octahedral numbers (17:22, 30 August 2010)
- Centered tesseract numbers (17:23, 30 August 2010)
- Centered square numbers (17:28, 30 August 2010)
- (Centered squares) dipyramidal numbers (20:42, 6 September 2010)
- (Centered squares) pyramidal numbers (20:49, 6 September 2010)
- 0-dimensional figurate numbers (21:26, 6 September 2010)
- 1-dimensional figurate numbers (21:27, 6 September 2010)