A160795 First differences of A160794.

1, 1, 3, 2, 6, 4, 11, 7, 18, 12, 29, 20, 42, 33, 59, 54, 78, 88, 101, 143, 130, 232, 161, 376, 198, 609, 239, 986, 282, 1596, 329, 2583, 382, 4180, 441, 6764, 502, 10945, 569, 17710, 640, 28656, 713, 46367, 792, 75024, 875, 121392, 964, 196417, 1061, 317810, 1162, 514228, 1265, 832039, 1372

Offset

1,3

Comments

Length of the n-th edge of a square spiral related to Fibonacci numbers and prime numbers.

Links

Table of n, a(n) for n=1..57.

Crossrefs

Cf. A000040, A000045, A160791, A160793, A160794.

Sequence in context: A091018 A248971 A329435 * A258212 A347704 A355019

Adjacent sequences: A160792 A160793 A160794 * A160796 A160797 A160798

Keyword

easy,nonn

Author

Omar E. Pol, May 29 2009

Status

approved