A246448 - OEIS

A246448

Numbers n such that a square will never end in the digits of n.

2, 3, 7, 8, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23, 26, 27, 28, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 42, 43, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 62, 63, 65, 66, 67, 68, 70, 71, 72, 73, 74, 75, 77, 78, 79, 80, 82, 83, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95

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OFFSET

1,1

COMMENTS

Complement of A238712.

LINKS

Table of n, a(n) for n=1..73.

EXAMPLE

No square will ever end in a 2, thus 2 is a member of this sequence.

PROG

(PARI)

b(n)=v=[]; for(k=10^(n-1), 10^n, v=concat(v, k^2%10^n)); v=vecsort(v, , 8); v