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A045522 n! has initial digit '3'. 18
9, 10, 11, 17, 28, 36, 41, 50, 62, 67, 74, 83, 84, 116, 117, 127, 128, 136, 143, 149, 154, 164, 173, 177, 181, 192, 199, 202, 229, 245, 250, 255, 260, 267, 274, 283, 285, 296, 298, 300, 332, 334, 336, 349, 358, 360, 367, 374, 381, 386, 411, 416, 424, 435, 449 (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[ 500 ], IntegerDigits[ #! ] [ [ 1 ] ] == 3 & ]

PROG

(PARI) isok(n) = digits(n!)[1] == 3; \\ Michel Marcus, Feb 07 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: A085514 A086446 A168042 * A054967 A227801 A048031

Adjacent sequences:  A045519 A045520 A045521 * A045523 A045524 A045525

KEYWORD

nonn,base

AUTHOR

Jeff Burch

STATUS

approved

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Last modified October 22 03:52 EDT 2018. Contains 316431 sequences. (Running on oeis4.)