A151727 If A151726 is written as a triangle, this is what the rows converge to.
4, 20, 20, 44, 28, 60, 76, 92, 28, 60, 84, 116, 116, 196, 236, 188, 28, 60, 84, 116, 116, 196, 244, 212, 116, 204, 284, 348, 428, 628, 652, 380, 28, 60, 84, 116, 116, 196, 244, 212, 116, 204, 284, 348, 428, 628, 660, 404, 116, 204, 284, 348, 428
Offset: 0