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A045525 n! has initial digit '6'. 18
3, 13, 18, 24, 43, 49, 72, 120, 130, 138, 174, 178, 182, 193, 203, 227, 263, 270, 290, 309, 311, 313, 315, 317, 319, 321, 355, 364, 371, 378, 390, 395, 400, 405, 418, 426, 437, 457, 460, 463, 466, 469, 491, 501, 511, 518, 525, 536, 555, 559, 563, 567, 571 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Index entries for sequences related to factorial numbers

MATHEMATICA

Select[ Range[ 600 ], IntegerDigits[ #! ] [ [1] ] == 6 & ]

PROG

(PARI) isok(n) = digits(n!)[1] == 6; \\ Michel Marcus, Feb 08 2017

CROSSREFS

For factorials with initial digit d (1 <= d <= 9) see A045509, A045510, A045511, A045516, A045517, A045518, A282021, A045519; A045520, A045521, A045522, A045523, A045524, A045525, A045526, A045527, A045528, A045529. See also A000142.

Sequence in context: A273946 A070518 A263182 * A030774 A024685 A024474

Adjacent sequences:  A045522 A045523 A045524 * A045526 A045527 A045528

KEYWORD

nonn,base

AUTHOR

Jeff Burch

STATUS

approved

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Last modified January 19 20:12 EST 2019. Contains 319310 sequences. (Running on oeis4.)