19317

Appears in sequences

• McKay-Thompson series of class 20E for Monster.at n=23A058554
• Third trisection of A061037.at n=45A142600
• a(n) = prime(n)^2-4.at n=33A166010
• Trisection A061037(3*n-2) of the Balmer spectrum numerators extended to negative indices.at n=47A174325
• Number of (n+1) X 6 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors.at n=12A186458
• Records in A096335 (positions).at n=14A221182
• Numbers k such that prime(k), prime(k+1), prime(k+2), prime(k+3) and prime(k+4) all have the same last digit.at n=2A371390
• Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-3*x*exp(x)) ).at n=4A380880