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A034120 Fractional part of cube root of a(n) starts with digit 4. 2
3, 14, 15, 40, 41, 42, 86, 87, 88, 89, 90, 91, 158, 159, 160, 161, 162, 163, 164, 165, 166, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 593, 594, 595, 596, 597 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Matthew House, Table of n, a(n) for n = 1..10000

PROG

(PARI) isok(n) = my(f = floor(10*frac(sqrtn(n, 3)))); (f > 0) && digits(f)[1] == 4; \\ Michel Marcus, Feb 15 2017

CROSSREFS

Cf. A034130.

Sequence in context: A070418 A178363 A294997 * A303222 A037244 A016062

Adjacent sequences:  A034117 A034118 A034119 * A034121 A034122 A034123

KEYWORD

nonn,easy,base

AUTHOR

Patrick De Geest, Sep 15 1998

EXTENSIONS

Offset corrected by Matthew House, Feb 14 2017

STATUS

approved

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Last modified October 15 18:54 EDT 2021. Contains 348034 sequences. (Running on oeis4.)