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A272673
Take list of squares that start with 1 (A045784) and omit the leading 1 and any leading zeros from what is left; if the number was a power of 10, replace it with 0.
1
0, 6, 0, 21, 44, 69, 96, 24, 89, 156, 225, 296, 369, 444, 521, 600, 681, 764, 849, 936, 0, 201, 404, 609, 816, 1025, 1236, 1449, 1664, 1881, 2100, 2321, 2544, 2769, 2996, 3225, 3456, 3689, 3924, 4161, 4400, 4641, 4884, 5129, 5376, 5625, 5876
OFFSET
1,2
PROG
(Python)
A272673_list = [0] + [int(str(m**2)[1:]) if sum(int(d) for d in str(m**2)[1:]) != 1 else 0 for m in range(4, 10**3) if str(m**2)[0] == '1'] # Chai Wah Wu, May 21 2016
CROSSREFS
Sequence in context: A219540 A292497 A082731 * A167357 A064381 A062254
KEYWORD
nonn,base
AUTHOR
STATUS
approved