A034107 Fractional part of square root of a(n) starts with 1: first term of runs.

10, 17, 27, 38, 51, 66, 83, 103, 124, 147, 172, 199, 229, 260, 293, 328, 365, 405, 446, 489, 534, 581, 631, 682, 735, 790, 847, 907, 968, 1031, 1096, 1163, 1233, 1304, 1377, 1452, 1529, 1609, 1690, 1773, 1858, 1945, 2035, 2126, 2219, 2314, 2411, 2511, 2612

Offset

1,1

Links

Table of n, a(n) for n=1..49.

Prog

(Python)
from math import sqrt
def a(n):
    k = (n + 2)**2
    while int(10*sqrt(k))%10 != 1: k += 1
    return k
print([a(n) for n in range(1, 50)]) # Michael S. Branicky, Oct 17 2021

Crossrefs

Cf. A034097.

Sequence in context: A188302 A190771 A034097 * A364823 A019991 A164285

Adjacent sequences: A034104 A034105 A034106 * A034108 A034109 A034110

Keyword

nonn,base

Author

Patrick De Geest, Sep 15 1998

Extensions

Offset 1 from Alois P. Heinz, Aug 05 2020

Status

approved