A034313 Decimal part of a(n)^(1/7) starts with reversal of its integer part: first term of runs.

2, 250, 4262, 31928, 152244, 545517, 1604853, 4086756, 9320654, 10070211, 20892885, 40458488, 74002500, 129017276, 215914886, 348808796, 546424205, 833146874, 1240220256, 1288986925, 1874378945, 2674289273, 3750591998