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.

A165477 Partial sums of A165476.

Original entry on oeis.org

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

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Author

Antti Karttunen, Sep 21 2009

Keywords

Comments

Period 131071. There are no negative values as 131071 is one of the primes in A095102.
See row 12251 in triangle A226518, A000040(12251) = 131071. - Reinhard Zumkeller, Feb 02 2014

Links

Crossrefs

A165487 gives the squared version. Positions of zeros: A165478. See also A165479. Compare also to A165472, A165482.

A165582 Partial sums of A165581.

Original entry on oeis.org

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

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 524287. The largest value 658 occurs in four positions: a(184560) = a(184562) = a(339724) = a(339726) = 658. Note that a(262143) = 255 and a(174762) = a(349524) = 510. (Cf. to A165477 and see comments at A165479).

Links

Crossrefs

Positions of zeros: A165583. See also A165584, A165585. Similar sequences: A165472, A165477, A165482, A165575-A165579, A165582, A165587, A165592, A165597.

Programs

A165478 Positions of zeros in A165477.

Original entry on oeis.org

0, 131070, 131071, 262141, 262142, 393212, 393213, 524283, 524284, 655354, 655355, 786425, 786426, 917496, 917497, 1048567, 1048568, 1179638, 1179639, 1310709, 1310710, 1441780, 1441781, 1572851, 1572852, 1703922, 1703923
Offset: 0

Views

Author

Antti Karttunen, Sep 21 2009

Keywords

Crossrefs

See also A165479. Compare also to A165473, A165483.

Formula

a(n) = floor(n/2)*131071 + (n modulo 2)*131070

A165487 Squared version of A165477.

Original entry on oeis.org

0, 1, 4, 1, 4, 9, 4, 9, 16, 25, 36, 49, 36, 25, 36, 25, 36, 49, 64, 49, 64, 49, 64, 81, 64, 81, 64, 49, 64, 81, 64, 81, 100, 81, 100, 121, 144, 121, 100, 121, 144, 121, 100, 121, 144, 169, 196, 225, 196, 225, 256, 225, 196, 169, 144, 169, 196, 225, 256, 289, 256
Offset: 0

Views

Author

Antti Karttunen, Sep 21 2009

Keywords

Comments

Period 131071. See comments in A165479.

Links

Crossrefs

a(n) = A000290(A165477(n)). Cf. A165486, A165488.
Showing 1-4 of 4 results.

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

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