A371033 - cp's OEIS frontend

A371033 a(n) is the integer whose binary expansion starts with 1 and such that the runs of identical bits have lengths n, n-1, n-2, ..., 3, 2, 1.

n	a(n)
1	1
2	6
3	57
4	966
5	31801
6	2065350
7	266370105
8	68453106630
9	35115918982201
10	35993681099981766
11	73750982613738224697
12	302157703921043555451846
13	2475577920866839506242796601
14	40562343629382474008388259775430
15	1329187433441286490429798672020569145

[1, 6, 57, 966, 31801, 2065350, 266370105, 68453106630, 35115918982201, 35993681099981766, 73750982613738224697, 302157703921043555451846, 2475577920866839506242796601, 40562343629382474008388259775430, 1329187433441286490429798672020569145]

cp's OEIS Frontend

A371033 a(n) is the integer whose binary expansion starts with 1 and such that the runs of identical bits have lengths n, n-1, n-2, ..., 3, 2, 1.

Table of values

List of values