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 1-4 of 4 results.

A162343 Array read by rows in which row n lists the numbers that are in the same "y" level in the mountain path of the primes.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 9, 10, 13, 14, 17, 18, 25, 26, 15, 16, 19, 24, 27, 20, 23, 28, 33, 34, 21, 22, 29, 32, 35, 30, 31, 36, 37, 38, 41, 42, 49, 50, 39, 40, 43, 48, 51, 44, 47, 52, 45, 46, 53, 54, 59, 60, 55, 58, 61, 68, 69, 56, 57, 62, 67, 70, 75, 76, 63, 66, 71, 74
Offset: 0

Views

Author

Omar E. Pol, Jul 24 2009

Keywords

Comments

See the illustration "The mountain path of the primes", here.

Examples

			Array begins:
0, 1, 2,. . . . . . . . . . . . . . . . . .
. . . 3,. . . . . . . . . . . . . . . . . .
. . . 4, 5, 6,. . . . . . . . . . . . . . .
. . . . . . 7,. . . . . . . . . . . . . . .
. . . . . . 8,11,12,. . . . . . . . . . . .
. . . . . . 9,10,13,. . . . . . . . . . . .
. . . . . . . . .14,17,18,25,26,. . . . . .
. . . . . . . . .15,16,19,24,27,. . . . . .
. . . . . . . . . . . .20,23,28,33,34,. . .
. . . . . . . . . . . .21,22,29,32,35,. . .
. . . . . . . . . . . . . . ,30,31,36,. . .
. . . . . . . . . . . . . . . . . .37,. . .

Links

Crossrefs

Cf. A162200, A162201, A162202, A162203, A162340, A162341, A162342, A162344, A162345, A162350, A162351, A162352

A162344 Array read by rows in which row n lists the numbers that are in the same "x" level in the mountain path of the primes.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 10, 12, 13, 14, 15, 17, 16, 18, 19, 20, 21, 25, 24, 23, 22, 26, 27, 28, 29, 30, 33, 32, 31, 34, 35, 36, 37, 38, 39, 41, 40, 42, 43, 44, 45, 49, 48, 47, 46, 50, 51, 52, 53, 54, 55, 56, 59, 58, 57, 60, 61, 62, 63, 64, 68, 67, 66, 65, 69, 70, 71, 72
Offset: 0

Views

Author

Omar E. Pol, Jul 24 2009

Keywords

Comments

See the illustration "The mountain path of the primes", here.

Examples

			Array begins:
0, 1, 2,. . . . . . . . . . . . . . . . . .
. . . 3,. . . . . . . . . . . . . . . . . .
. . . 4, 5, 6,. . . . . . . . . . . . . . .
. . . . . . 7,. . . . . . . . . . . . . . .
. . . . . . 8,11,12,. . . . . . . . . . . .
. . . . . . 9,10,13,. . . . . . . . . . . .
. . . . . . . . .14,17,18,25,26,. . . . . .
. . . . . . . . .15,16,19,24,27,. . . . . .
. . . . . . . . . . . .20,23,28,33,34,. . .
. . . . . . . . . . . .21,22,29,32,35,. . .
. . . . . . . . . . . . . . ,30,31,36,. . .
. . . . . . . . . . . . . . . . . .37,. . .

Links

Crossrefs

Cf. A162200, A162201, A162202, A162203, A162340, A162341, A162342, A162343, A162345, A162350, A162351, A162352.

A162350 The path of the primes: Pairs (x,y) such that the points P(x,y) represent the position of the nonnegative integers in the graph of the "mountain path" function for prime numbers.

Original entry on oeis.org

0, 0, 1, 0, 2, 0, 2, 1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 4, 4, 5, 5, 5, 5, 4, 6, 4, 6, 5, 6, 6, 6, 7, 7, 7, 7, 6, 8, 6, 8, 7, 8, 8, 8, 9, 9, 9, 9, 8, 9, 7, 9, 6, 10, 6, 10, 7, 10, 8, 10, 9, 10, 10, 11, 10, 11, 9, 11, 8, 12, 8, 12, 9, 12, 10
Offset: 0

Views

Author

Omar E. Pol, Jul 03 2009

Keywords

Examples

			n ..... Point
0 ..... P(0,0)
1 ..... P(1,0)
2 ..... P(2,0)
3 ..... P(2,1)
4 ..... P(2,2)
5 ..... P(3,2)
6 ..... P(4,2)
7 ..... P(4,3)
8 ..... P(4,4)
9 ..... P(4,5)
10 .... P(5,5)
11 .... P(5,4)

Links

Crossrefs

Cf. A000040, A006005, A008578, A162200, A162201, A162202, A162203, A162340, A162341, A162342, A162343, A162344, A162351, A162352.

A162352 Bisection of A162350.

Original entry on oeis.org

0, 0, 0, 1, 2, 2, 2, 3, 4, 5, 5, 4, 4, 5, 6, 7, 7, 6, 6, 7, 8, 9, 9, 8, 7, 6, 6, 7, 8, 9, 10, 10, 9, 8, 8, 9, 10, 11, 12, 13, 13, 12, 12, 13, 14, 15, 15, 14, 13, 12, 12, 13, 14, 15, 16, 17, 18, 18, 17, 16, 16, 17, 18, 19, 20, 20, 19
Offset: 0

Views

Author

Omar E. Pol, Jul 03 2009

Keywords

Comments

Values y of pairs (x,y) that generate the graph of the "mountain path" function for prime numbers.

Links

Crossrefs

Cf. A162200, A162201, A162202, A162203, A162340, A162341, A162342, A162343, A162344, A162350, A162351.
Showing 1-4 of 4 results.

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