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 1-3 of 3 results.

A116648 Least natural number which does not occur in A116626(1..n).

Original entry on oeis.org

2, 2, 4, 4, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 11, 11, 11, 11, 11, 11, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 27, 27, 27, 27, 27, 27, 27, 27, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 39, 39, 39, 39, 42, 42, 42, 42, 44, 44, 44, 44
Offset: 1

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Author

Antti Karttunen, Feb 21 2006

Keywords

Crossrefs

Cf. A116649, A116650, A116651.

A116649 Positions where A116648(i) is greater than A116648(i-1).

Original entry on oeis.org

1, 3, 5, 9, 15, 17, 23, 25, 29, 33, 41, 49, 53, 63, 67, 71, 75, 79, 85, 89, 95, 99, 103, 107, 139, 143, 163, 167, 175, 179, 199, 219, 223, 227, 235, 243, 267, 271, 275, 279, 283, 291, 299, 307, 323, 333, 337, 351, 357, 361, 371, 381, 395, 405, 425, 449, 457
Offset: 1

Views

Author

Antti Karttunen, Feb 21 2006

Keywords

Comments

Equivalently, from i>1 onward those i where A116626(i) = A116648(i-1). Conjecture: all the terms are odd.

Crossrefs

Cf. A116650.

A116651 a(n) = A116648(2^n).

Original entry on oeis.org

2, 2, 4, 5, 9, 20, 39, 76, 127, 309, 509, 1263, 2621, 5044, 10025
Offset: 0

Views

Author

Antti Karttunen, Feb 21 2006

Keywords

Crossrefs

Cf. a(n) = A116648(A000079(n)). Cf. A116650.
Showing 1-3 of 3 results.

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