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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) (17:25, 27 October 2009)
- Listen to a sequence (22:40, 27 October 2009)
- The Encyclopedia of Integer Sequences (22:44, 27 October 2009)
- Full List of Files Associated with OEIS (23:29, 27 October 2009)
- Figure list (01:07, 28 October 2009)
- More Transformations of Integer Sequences (01:29, 28 October 2009)
- Papers dealing with integer sequences (08:37, 28 October 2009)
- Browse (09:35, 28 October 2009)
- The Encyclopedia of Integer Sequences (French) (11:22, 28 October 2009)
- Find Friends of a Number (21:16, 28 October 2009)
- (a,b)-Pascal triangle (11:15, 30 July 2010)
- (a(n),b(n))-Pascal triangle (17:00, 4 August 2010)
- (1,k)-Pascal triangle (22:04, 7 August 2010)
- (k,1)-Pascal triangle (22:06, 7 August 2010)
- Hyperpyramidal numbers (23:00, 9 August 2010)
- Divisor summatory function (22:32, 14 August 2010)
- Square hyperpyramidal numbers (15:16, 17 August 2010)
- (Centered squares) hyperpyramidal numbers (15:16, 17 August 2010)
- Regular polytope numbers (18:22, 18 August 2010)
- Centered triangular numbers (22:46, 20 August 2010)
- Centered pentachoron numbers (22:47, 20 August 2010)
- Quantum electrodynamics (22:48, 20 August 2010)
- Integer Sequences Overview (12:48, 22 August 2010)
- Sequences Overview (12:49, 22 August 2010)
- OEIS Wiki Knowledge Base Overview (21:08, 22 August 2010)
- N-free numbers (23:32, 22 August 2010)
- N-ful numbers (23:40, 22 August 2010)
- Cubeful numbers (23:48, 22 August 2010)
- Biquadrateful numbers (23:52, 22 August 2010)
- Biquadratefull numbers (00:20, 23 August 2010)
- N-full numbers (00:25, 23 August 2010)
- Numbers of the form an+b, (a,b)=1 (00:39, 23 August 2010)
- Enrique Pérez Herrrero/OEIS Utilities/OEIS2BibTeX (11:44, 26 August 2010)
- Dipyramidal numbers (18:11, 30 August 2010)
- Centered dipyramidal numbers (18:18, 30 August 2010)
- Octahedral numbers (18:19, 30 August 2010)
- Tetracross numbers (18:20, 30 August 2010)
- Tesseract numbers (18:20, 30 August 2010)
- Nonregular polytope numbers (18:21, 30 August 2010)
- Pentachoron numbers (18:21, 30 August 2010)
- Centered cube numbers (18:21, 30 August 2010)
- Centered tetrahedral numbers (18:22, 30 August 2010)
- Centered tetracross numbers (18:22, 30 August 2010)
- Centered octahedral numbers (18:22, 30 August 2010)
- Centered tesseract numbers (18:23, 30 August 2010)
- Centered square numbers (18:28, 30 August 2010)
- Euler transform (20:57, 6 September 2010)
- (Centered squares) dipyramidal numbers (21:42, 6 September 2010)
- (Centered squares) pyramidal numbers (21:49, 6 September 2010)
- 0-dimensional figurate numbers (22:26, 6 September 2010)