A377170 Sum of the nonnegative terms in the n-th row of A365968.

0, 1, 4, 12, 36, 98, 250, 616, 1484, 3508, 8140, 18620, 42164, 94632, 210518, 464840, 1020556, 2229014, 4843316, 10476164, 22576728, 48489154, 103790370, 221484824, 471427432, 1001027226, 2120503144, 4482083616, 9455815160, 19913405076, 41862056992, 87857540836

Offset

0,3

Comments

By symmetry -a(n) is the sum of the nonpositive terms in the n-th row of A365968.

Links

Table of n, a(n) for n=0..31.

Formula

a(n) = (1/2)*Sum_{k=0..2^n-1} abs(A365968(n,k)).

Example

The 4th row of A365968 is: [-10, -8, -6, -4, -4, -2, 0, 2, -2, 0, 2, 4, 4, 6, 8, 10], so a(4) = 2 + 2 + 4 + 4 + 6 + 8 + 10 = 36.

Crossrefs

Cf. A000079, A365968, A367076.

Sequence in context: A347990 A002842 A051041 * A192626 A294782 A002906

Adjacent sequences: A377167 A377168 A377169 * A377171 A377172 A377173

Keyword

nonn,easy

Author

John Tyler Rascoe, Oct 18 2024

Status

approved