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A045521 n! has initial digit '2'. 0
2, 4, 16, 20, 23, 30, 32, 34, 39, 44, 47, 54, 58, 68, 75, 85, 86, 87, 113, 114, 115, 126, 135, 142, 148, 153, 159, 163, 168, 172, 180, 184, 188, 195, 205, 208, 211, 214, 217, 220, 223, 226, 234, 237, 242, 247, 252, 257, 262, 269, 276, 278, 287, 289, 302, 304 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Index entries for sequences related to factorial numbers

MATHEMATICA

Select[ Range[ 310 ], IntegerDigits[ #! ] [ [ 1 ] ] == 2 & ]

CROSSREFS

Sequence in context: A131560 A067709 A102545 * A076434 A192150 A049441

Adjacent sequences:  A045518 A045519 A045520 * A045522 A045523 A045524

KEYWORD

nonn,base

AUTHOR

Jeff Burch (gburch(AT)erols.com)

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Last modified February 13 16:45 EST 2012. Contains 205523 sequences.