A334952 First differences of A334950.

0, -1, 2, -2, 4, -3, 6, -4, 0, -5, 10, -6, 12, -7, 14, -8, 0, -9, 18, -10, 0, -11, 22, -12, 0, -13, 26, -14, 0, -15, 30, -16, 0, -17, 34, -18, 36, -19, 38, -20, 0, -21, 42, -22, 0, -23, 0, -24, 48, -25, 0, -26, 52, -27, 0, -28, 56, -29, 0, -30, 60, -31, 0, -32, 64, -33, 66, -34, 68, -35, 0, -36, 72, -37

Offset: 0

Author

Omar E. Pol, May 17 2020

Keywords

• sign

Comments

The absolute value of a(n) is also the length of the n-th vertical-line-segment in the diagram of A334950.

Links

• Index entries for sequences related to Recamán's sequence

Crossrefs

Cf. A001478, A005132, A334950, A334951.

Formula

a(2k+1) = -(k + 1), k >= 0.