A370957 First differences of A125717.

1, 2, 3, -4, 5, 6, 7, -16, 18, -10, 11, -12, 13, -14, 15, -16, 17, -18, 19, 20, -42, 44, 23, -24, 25, -52, 54, -56, 58, -60, 62, -64, 66, 34, -70, 72, -74, 76, -78, 80, -82, 84, -86, 88, -90, 92, -94, 96, -98, 100, -102, 104, -53, 54, 55, 56, -171, -58, 177, 60, -183, 62, -63, 128, -130, 132, -134, 136, -138, 140, -142

Offset: 1

Author

N. J. A. Sloane, Mar 15 2024

Keywords

• sign

Comments

In other words, a(n) = A125717(n)-A125717(n-1).

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..100000

Crossrefs

Cf. A125717, A370958.