A291372 First differences of A291577.

1, 2, 2, -3, 6, 3, 3, -10, 5, 10, 5, 5, 5, -28, 7, 7, 7, 14, 7, 7, 7, 7, 7, -66, 11, 11, 11, 11, 11, 22, 11, 11, 11, 11, 11, -130, 13, 13, 13, 13, 13, 13, 13, 13, 13, 26, 13, 13, 13, 13, 13, -204, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 34, 17, 17, 17, 17, 17, -304, 19

Offset

0,2

Comments

Looks like an EKG sequence.

Links

Table of n, a(n) for n=0..70.

Formula

a(n) = A291577(n+1) - A291577(n).

Crossrefs

Cf. A291577.

Sequence in context: A015051 A362199 A260389 * A064426 A051173 A322744

Adjacent sequences: A291369 A291370 A291371 * A291373 A291374 A291375

Keyword

sign

Author

Enrique Navarrete, Sep 04 2017

Status

approved