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 1-10 of 12 results. Next

A165590 A maximum absolute value of A165587 in range [A165588(n),A165588(n+1)].

Original entry on oeis.org

1, -1, 3, 10, -1, -2, 7, -4, 7, 34, -8, 4, 24, 1, 2, -9, -1, -1, 1, -1, 16, 1, 1, -1, 1, 1, 2, 1, -1, -4, 1, 2, 24, 1, 1, -2, -1, 2, -3, 1, 1, 4, 1, 3, -1, -2, -3, -2, -1, -1, 1, -3, -1, 1, 4, 1, -1, 1, 3, -2, 90, -1, 1, 3, -4, -1, 1, -8, -1, -4, -2, -1, -1, -4, -2, -1, 1, 2, 1, -1
Offset: 0

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 1085. Cf. A165585.

Crossrefs

a(n) = A165587(A165589(n)).

A165588 Positions of zeros in A165587.

Original entry on oeis.org

0, 2, 4, 22, 110, 112, 116, 132, 144, 166, 982, 1012, 1034, 1200, 1202, 1206, 1300, 1302, 1304, 1306, 1308, 1480, 1482, 1484, 1486, 1488, 1490, 1494, 1496, 1498, 1508, 1510, 1514, 1746, 1748, 1750, 1754, 1756, 1760, 1766, 1768, 1770, 1788
Offset: 0

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Crossrefs

See also A165589, A165590. Compare also to A165583.

A165589 a(n) = Least i in range [A165588(n),A165588(n+1)] for which abs(A165587(i)) gets the maximum value in that range.

Original entry on oeis.org

1, 3, 7, 68, 111, 114, 125, 136, 153, 500, 1000, 1016, 1114, 1201, 1204, 1275, 1301, 1303, 1305, 1307, 1412, 1481, 1483, 1485, 1487, 1489, 1492, 1495, 1497, 1502, 1509, 1512, 1676, 1747, 1749, 1752, 1755, 1758, 1763, 1767, 1769, 1774, 1789
Offset: 0

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Crossrefs

A165590 gives the corresponding maximum values.

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).

Crossrefs

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

Programs

A165592 Partial sums of A165591.

Original entry on oeis.org

0, 1, 0, 1, 2, 3, 2, 1, 0, 1, 0, 1, 2, 1, 2, 3, 4, 3, 2, 1, 2, 1, 0, 1, 0, 1, 2, 3, 2, 1, 0, -1, -2, -1, 0, -1, 0, -1, 0, -1, -2, -1, 0, 1, 2, 3, 2, 1, 2, 3, 2, 1, 0, -1, -2, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, -2, -1, -2, -1, 0, -1, -2, -3, -2, -1, -2, -3, -2, -3, -2, -1, -2, -3, -4
Offset: 0

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 59701.

Crossrefs

Positions of zeros: A165593. See also A165594, A165595. Similar sequences: A165472, A165477, A165482, A165575-A165579, A165582, A165587, A165592, A165597.

A165597 Partial sums of A165596.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 5, 6, 7, 8, 7, 8, 9, 8, 9, 10, 9, 10, 9, 10, 9, 8, 9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 15, 14, 13, 14, 13, 12, 13, 14, 15, 14, 15, 14, 15, 16, 17, 18, 19, 20, 19, 20, 21, 22, 21, 20, 19, 20, 19, 20, 19, 20, 19, 20, 21, 20, 19, 18, 19, 18, 17, 18, 17, 16, 17
Offset: 0

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 59881.
First entry < 0: a(17698) = -1.

Crossrefs

Positions of zeros: A165598. See also A165599, A165590. Similar sequences: A165472, A165477, A165482, A165575-A165579, A165582, A165587, A165592, A165597.

A165575 Partial sums of A165573.

Original entry on oeis.org

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

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 257.

Crossrefs

A165579 Partial sums of A011628.

Original entry on oeis.org

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

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 233.

Crossrefs

Programs

  • Mathematica
    Table[ JacobiSymbol[n, 233], {n, 0, 96}] // Accumulate (* Jean-François Alcover, Oct 08 2013 *)

A165576 Partial sums of A165574.

Original entry on oeis.org

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

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 263. There are no negative values as 263 is one of the primes in A095102.

Crossrefs

Programs

  • Mathematica
    Accumulate[JacobiSymbol[Range[0,90],263]] (* Harvey P. Dale, Sep 01 2021 *)

A165578 Partial sums of A011627.

Original entry on oeis.org

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

Views

Author

Antti Karttunen, Sep 22 2009

Keywords

Comments

Period 229.

Crossrefs

Programs

Formula

a(n) = -(a(n-1) + a(n-2) + ... + a(n-228)) = a(n-229). - Charles R Greathouse IV, Feb 11 2013
Showing 1-10 of 12 results. Next