A175008 Positions of negative terms in A131389.
4, 7, 8, 10, 13, 15, 16, 19, 21, 23, 24, 27, 28, 31, 32, 35, 37, 39, 41, 43, 44, 46, 49, 51, 53, 55, 56, 59, 61, 63, 65, 67, 68, 71, 72, 75, 77, 79, 81, 83, 85, 87, 88, 90, 92, 94, 97, 99, 101, 103, 105, 107, 108, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 132, 133
Offset: 1
Keywords
Examples
The first 20 terms of A131389 are 0,1,2,-1,3,4,-2,-3,6,-4,5,7,-5,8,-6,-7,9,10,-8,11. Positions occupied by negatives are 4,7,8,10,13,15,16,19.
Comments